Home / 1,293,624,000.10-1,940,436,000.15-516,885,580.90

Finding the Fourth Proportional to 1,293,624,000.10, 1,940,436,000.15 and 516,885,580.90

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Solution

The fourth proportional to 1,293,624,000.10, 1,940,436,000.15 and 516,885,580.90 is: 775,328,371.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,624,000.10 : 1,940,436,000.15 = 516,885,580.90 : x
  2. Step 2: Convert to fraction form
    1,293,624,000.10/1,940,436,000.15 = 516,885,580.90/x
  3. Step 3: Cross multiply
    1,293,624,000.10x = 1,940,436,000.15 × 516,885,580.90
  4. Step 4: Simplify right side
    1,293,624,000.10x = 1,002,983,389,136,805,248
  5. Step 5: Solve for x
    x = 1,002,983,389,136,805,248/1,293,624,000.10
  6. Step 6: Final answer
    x = 775,328,371.35

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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.