Home / 71,327,864,447.85-98,432,516,267.50-39,213,772,988.62

Finding the Fourth Proportional to 71,327,864,447.85, 98,432,516,267.50 and 39,213,772,988.62

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Solution

The fourth proportional to 71,327,864,447.85, 98,432,516,267.50 and 39,213,772,988.62 is: 54,115,041,540.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,327,864,447.85 : 98,432,516,267.50 = 39,213,772,988.62 : x
  2. Step 2: Convert to fraction form
    71,327,864,447.85/98,432,516,267.50 = 39,213,772,988.62/x
  3. Step 3: Cross multiply
    71,327,864,447.85x = 98,432,516,267.50 × 39,213,772,988.62
  4. Step 4: Simplify right side
    71,327,864,447.85x = 3,859,910,347,612,390,686,720
  5. Step 5: Solve for x
    x = 3,859,910,347,612,390,686,720/71,327,864,447.85
  6. Step 6: Final answer
    x = 54,115,041,540.81

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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.