Home / 518,612,226.06-715,690,423.46-283,657,862.50

Finding the Fourth Proportional to 518,612,226.06, 715,690,423.46 and 283,657,862.50

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Solution

The fourth proportional to 518,612,226.06, 715,690,423.46 and 283,657,862.50 is: 391,450,886.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,612,226.06 : 715,690,423.46 = 283,657,862.50 : x
  2. Step 2: Convert to fraction form
    518,612,226.06/715,690,423.46 = 283,657,862.50/x
  3. Step 3: Cross multiply
    518,612,226.06x = 715,690,423.46 × 283,657,862.50
  4. Step 4: Simplify right side
    518,612,226.06x = 203,011,215,730,383,456
  5. Step 5: Solve for x
    x = 203,011,215,730,383,456/518,612,226.06
  6. Step 6: Final answer
    x = 391,450,886.67

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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.