Home / 625,331,607.56-938,005,393.90-165,265,802

Finding the Fourth Proportional to 625,331,607.56, 938,005,393.90 and 165,265,802

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Solution

The fourth proportional to 625,331,607.56, 938,005,393.90 and 165,265,802 is: 247,900,812.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,331,607.56 : 938,005,393.90 = 165,265,802 : x
  2. Step 2: Convert to fraction form
    625,331,607.56/938,005,393.90 = 165,265,802/x
  3. Step 3: Cross multiply
    625,331,607.56x = 938,005,393.90 × 165,265,802
  4. Step 4: Simplify right side
    625,331,607.56x = 155,020,213,703,209,408
  5. Step 5: Solve for x
    x = 155,020,213,703,209,408/625,331,607.56
  6. Step 6: Final answer
    x = 247,900,812.67

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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.