Home / 1,427,574,948.96-2,141,261,335.06-378,289,920.84

Finding the Fourth Proportional to 1,427,574,948.96, 2,141,261,335.06 and 378,289,920.84

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Solution

The fourth proportional to 1,427,574,948.96, 2,141,261,335.06 and 378,289,920.84 is: 567,408,094.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,574,948.96 : 2,141,261,335.06 = 378,289,920.84 : x
  2. Step 2: Convert to fraction form
    1,427,574,948.96/2,141,261,335.06 = 378,289,920.84/x
  3. Step 3: Cross multiply
    1,427,574,948.96x = 2,141,261,335.06 × 378,289,920.84
  4. Step 4: Simplify right side
    1,427,574,948.96x = 810,017,580,937,600,000
  5. Step 5: Solve for x
    x = 810,017,580,937,600,000/1,427,574,948.96
  6. Step 6: Final answer
    x = 567,408,094.07

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.