Home / 1,346,742,657,430.90-1,858,490,061,439.40-729,430,018,958.76

Finding the Fourth Proportional to 1,346,742,657,430.90, 1,858,490,061,439.40 and 729,430,018,958.76

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Solution

The fourth proportional to 1,346,742,657,430.90, 1,858,490,061,439.40 and 729,430,018,958.76 is: 1,006,605,406,957.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,742,657,430.90 : 1,858,490,061,439.40 = 729,430,018,958.76 : x
  2. Step 2: Convert to fraction form
    1,346,742,657,430.90/1,858,490,061,439.40 = 729,430,018,958.76/x
  3. Step 3: Cross multiply
    1,346,742,657,430.90x = 1,858,490,061,439.40 × 729,430,018,958.76
  4. Step 4: Simplify right side
    1,346,742,657,430.90x = 1,355,638,440,750,408,477,442,048
  5. Step 5: Solve for x
    x = 1,355,638,440,750,408,477,442,048/1,346,742,657,430.90
  6. Step 6: Final answer
    x = 1,006,605,406,957.61

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Double scale
Find fourth proportional to 1,346,742,657,431.90, 1,858,490,061,440.78 and 729,430,018,959.76
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.