Home / 539,430,053.28-744,413,473.76-291,911,407.60

Finding the Fourth Proportional to 539,430,053.28, 744,413,473.76 and 291,911,407.60

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Solution

The fourth proportional to 539,430,053.28, 744,413,473.76 and 291,911,407.60 is: 402,837,742.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,430,053.28 : 744,413,473.76 = 291,911,407.60 : x
  2. Step 2: Convert to fraction form
    539,430,053.28/744,413,473.76 = 291,911,407.60/x
  3. Step 3: Cross multiply
    539,430,053.28x = 744,413,473.76 × 291,911,407.60
  4. Step 4: Simplify right side
    539,430,053.28x = 217,302,784,961,687,264
  5. Step 5: Solve for x
    x = 217,302,784,961,687,264/539,430,053.28
  6. Step 6: Final answer
    x = 402,837,742.61

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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.