Home / 770,882,948.45-1,063,819,818.42-418,459,177.90

Finding the Fourth Proportional to 770,882,948.45, 1,063,819,818.42 and 418,459,177.90

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Solution

The fourth proportional to 770,882,948.45, 1,063,819,818.42 and 418,459,177.90 is: 577,474,398.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,882,948.45 : 1,063,819,818.42 = 418,459,177.90 : x
  2. Step 2: Convert to fraction form
    770,882,948.45/1,063,819,818.42 = 418,459,177.90/x
  3. Step 3: Cross multiply
    770,882,948.45x = 1,063,819,818.42 × 418,459,177.90
  4. Step 4: Simplify right side
    770,882,948.45x = 445,165,166,649,760,448
  5. Step 5: Solve for x
    x = 445,165,166,649,760,448/770,882,948.45
  6. Step 6: Final answer
    x = 577,474,398.08

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1.5x scale

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.