Home / 499,665,423.06-688,306,222.08-425,087,125.74

Finding the Fourth Proportional to 499,665,423.06, 688,306,222.08 and 425,087,125.74

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Solution

The fourth proportional to 499,665,423.06, 688,306,222.08 and 425,087,125.74 is: 585,572,064.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,665,423.06 : 688,306,222.08 = 425,087,125.74 : x
  2. Step 2: Convert to fraction form
    499,665,423.06/688,306,222.08 = 425,087,125.74/x
  3. Step 3: Cross multiply
    499,665,423.06x = 688,306,222.08 × 425,087,125.74
  4. Step 4: Simplify right side
    499,665,423.06x = 292,590,113,572,945,344
  5. Step 5: Solve for x
    x = 292,590,113,572,945,344/499,665,423.06
  6. Step 6: Final answer
    x = 585,572,064.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.