Home / 747,357,459.20-1,121,036,188.80-402,983,691.20

Finding the Fourth Proportional to 747,357,459.20, 1,121,036,188.80 and 402,983,691.20

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Solution

The fourth proportional to 747,357,459.20, 1,121,036,188.80 and 402,983,691.20 is: 604,475,536.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,357,459.20 : 1,121,036,188.80 = 402,983,691.20 : x
  2. Step 2: Convert to fraction form
    747,357,459.20/1,121,036,188.80 = 402,983,691.20/x
  3. Step 3: Cross multiply
    747,357,459.20x = 1,121,036,188.80 × 402,983,691.20
  4. Step 4: Simplify right side
    747,357,459.20x = 451,759,301,331,404,096
  5. Step 5: Solve for x
    x = 451,759,301,331,404,096/747,357,459.20
  6. Step 6: Final answer
    x = 604,475,536.80

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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.