Home / 1,346,742,657,431.90-1,858,490,061,440.90-729,430,018,959.76

Finding the Fourth Proportional to 1,346,742,657,431.90, 1,858,490,061,440.90 and 729,430,018,959.76

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Solution

The fourth proportional to 1,346,742,657,431.90, 1,858,490,061,440.90 and 729,430,018,959.76 is: 1,006,605,406,959.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,742,657,431.90 : 1,858,490,061,440.90 = 729,430,018,959.76 : x
  2. Step 2: Convert to fraction form
    1,346,742,657,431.90/1,858,490,061,440.90 = 729,430,018,959.76/x
  3. Step 3: Cross multiply
    1,346,742,657,431.90x = 1,858,490,061,440.90 × 729,430,018,959.76
  4. Step 4: Simplify right side
    1,346,742,657,431.90x = 1,355,638,440,753,361,267,458,048
  5. Step 5: Solve for x
    x = 1,355,638,440,753,361,267,458,048/1,346,742,657,431.90
  6. Step 6: Final answer
    x = 1,006,605,406,959.06

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Double scale
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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.