Home / 426,096,314.10-639,144,471.15-409,374,803.70

Finding the Fourth Proportional to 426,096,314.10, 639,144,471.15 and 409,374,803.70

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Solution

The fourth proportional to 426,096,314.10, 639,144,471.15 and 409,374,803.70 is: 614,062,205.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,096,314.10 : 639,144,471.15 = 409,374,803.70 : x
  2. Step 2: Convert to fraction form
    426,096,314.10/639,144,471.15 = 409,374,803.70/x
  3. Step 3: Cross multiply
    426,096,314.10x = 639,144,471.15 × 409,374,803.70
  4. Step 4: Simplify right side
    426,096,314.10x = 261,649,642,412,971,552
  5. Step 5: Solve for x
    x = 261,649,642,412,971,552/426,096,314.10
  6. Step 6: Final answer
    x = 614,062,205.55

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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.