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Finding the Fourth Proportional to 509,337,686.20, 764,006,529.30 and 509,337,686.20

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Solution

The fourth proportional to 509,337,686.20, 764,006,529.30 and 509,337,686.20 is: 764,006,529.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,337,686.20 : 764,006,529.30 = 509,337,686.20 : x
  2. Step 2: Convert to fraction form
    509,337,686.20/764,006,529.30 = 509,337,686.20/x
  3. Step 3: Cross multiply
    509,337,686.20x = 764,006,529.30 × 509,337,686.20
  4. Step 4: Simplify right side
    509,337,686.20x = 389,137,317,875,354,496
  5. Step 5: Solve for x
    x = 389,137,317,875,354,496/509,337,686.20
  6. Step 6: Final answer
    x = 764,006,529.30

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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.