Home / 415,908,031.60-625,205,740.20-383,659,404.40

Finding the Fourth Proportional to 415,908,031.60, 625,205,740.20 and 383,659,404.40

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Solution

The fourth proportional to 415,908,031.60, 625,205,740.20 and 383,659,404.40 is: 576,728,612.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,908,031.60 : 625,205,740.20 = 383,659,404.40 : x
  2. Step 2: Convert to fraction form
    415,908,031.60/625,205,740.20 = 383,659,404.40/x
  3. Step 3: Cross multiply
    415,908,031.60x = 625,205,740.20 × 383,659,404.40
  4. Step 4: Simplify right side
    415,908,031.60x = 239,866,061,912,593,152
  5. Step 5: Solve for x
    x = 239,866,061,912,593,152/415,908,031.60
  6. Step 6: Final answer
    x = 576,728,612.31

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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.