Home / 539,449,992.96-744,442,819.20-291,931,272.96

Finding the Fourth Proportional to 539,449,992.96, 744,442,819.20 and 291,931,272.96

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Solution

The fourth proportional to 539,449,992.96, 744,442,819.20 and 291,931,272.96 is: 402,866,146.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,449,992.96 : 744,442,819.20 = 291,931,272.96 : x
  2. Step 2: Convert to fraction form
    539,449,992.96/744,442,819.20 = 291,931,272.96/x
  3. Step 3: Cross multiply
    539,449,992.96x = 744,442,819.20 × 291,931,272.96
  4. Step 4: Simplify right side
    539,449,992.96x = 217,326,139,854,987,136
  5. Step 5: Solve for x
    x = 217,326,139,854,987,136/539,449,992.96
  6. Step 6: Final answer
    x = 402,866,146.43

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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.