Home / 71,327,869,425.77-98,432,523,127.92-39,213,777,960.77

Finding the Fourth Proportional to 71,327,869,425.77, 98,432,523,127.92 and 39,213,777,960.77

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Solution

The fourth proportional to 71,327,869,425.77, 98,432,523,127.92 and 39,213,777,960.77 is: 54,115,048,397.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,327,869,425.77 : 98,432,523,127.92 = 39,213,777,960.77 : x
  2. Step 2: Convert to fraction form
    71,327,869,425.77/98,432,523,127.92 = 39,213,777,960.77/x
  3. Step 3: Cross multiply
    71,327,869,425.77x = 98,432,523,127.92 × 39,213,777,960.77
  4. Step 4: Simplify right side
    71,327,869,425.77x = 3,859,911,106,056,120,434,688
  5. Step 5: Solve for x
    x = 3,859,911,106,056,120,434,688/71,327,869,425.77
  6. Step 6: Final answer
    x = 54,115,048,397.36

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Double scale
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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.