Home / 521,592,004.20-782,388,006.30-482,177,015.40

Finding the Fourth Proportional to 521,592,004.20, 782,388,006.30 and 482,177,015.40

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Solution

The fourth proportional to 521,592,004.20, 782,388,006.30 and 482,177,015.40 is: 723,265,523.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,592,004.20 : 782,388,006.30 = 482,177,015.40 : x
  2. Step 2: Convert to fraction form
    521,592,004.20/782,388,006.30 = 482,177,015.40/x
  3. Step 3: Cross multiply
    521,592,004.20x = 782,388,006.30 × 482,177,015.40
  4. Step 4: Simplify right side
    521,592,004.20x = 377,249,513,762,490,368
  5. Step 5: Solve for x
    x = 377,249,513,762,490,368/521,592,004.20
  6. Step 6: Final answer
    x = 723,265,523.10

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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.