Home / 516,128,001.70-774,192,002.55-498,610,228.90

Finding the Fourth Proportional to 516,128,001.70, 774,192,002.55 and 498,610,228.90

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Solution

The fourth proportional to 516,128,001.70, 774,192,002.55 and 498,610,228.90 is: 747,915,343.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,128,001.70 : 774,192,002.55 = 498,610,228.90 : x
  2. Step 2: Convert to fraction form
    516,128,001.70/774,192,002.55 = 498,610,228.90/x
  3. Step 3: Cross multiply
    516,128,001.70x = 774,192,002.55 × 498,610,228.90
  4. Step 4: Simplify right side
    516,128,001.70x = 386,020,051,604,004,864
  5. Step 5: Solve for x
    x = 386,020,051,604,004,864/516,128,001.70
  6. Step 6: Final answer
    x = 747,915,343.35

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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.