Home / 71,327,864,446.60-98,432,516,265.77-39,213,772,987.37

Finding the Fourth Proportional to 71,327,864,446.60, 98,432,516,265.77 and 39,213,772,987.37

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Solution

The fourth proportional to 71,327,864,446.60, 98,432,516,265.77 and 39,213,772,987.37 is: 54,115,041,539.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,327,864,446.60 : 98,432,516,265.77 = 39,213,772,987.37 : x
  2. Step 2: Convert to fraction form
    71,327,864,446.60/98,432,516,265.77 = 39,213,772,987.37/x
  3. Step 3: Cross multiply
    71,327,864,446.60x = 98,432,516,265.77 × 39,213,772,987.37
  4. Step 4: Simplify right side
    71,327,864,446.60x = 3,859,910,347,421,785,260,032
  5. Step 5: Solve for x
    x = 3,859,910,347,421,785,260,032/71,327,864,446.60
  6. Step 6: Final answer
    x = 54,115,041,539.08

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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.