Home / 443,306,606.40-665,022,895.20-136,566,734.40

Finding the Fourth Proportional to 443,306,606.40, 665,022,895.20 and 136,566,734.40

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Solution

The fourth proportional to 443,306,606.40, 665,022,895.20 and 136,566,734.40 is: 204,869,505.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,306,606.40 : 665,022,895.20 = 136,566,734.40 : x
  2. Step 2: Convert to fraction form
    443,306,606.40/665,022,895.20 = 136,566,734.40/x
  3. Step 3: Cross multiply
    443,306,606.40x = 665,022,895.20 × 136,566,734.40
  4. Step 4: Simplify right side
    443,306,606.40x = 90,820,005,098,697,440
  5. Step 5: Solve for x
    x = 90,820,005,098,697,440/443,306,606.40
  6. Step 6: Final answer
    x = 204,869,505.19

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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.