Home / 20,194,758,086.95-30,292,137,130.43-18,541,764,000.55

Finding the Fourth Proportional to 20,194,758,086.95, 30,292,137,130.43 and 18,541,764,000.55

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Solution

The fourth proportional to 20,194,758,086.95, 30,292,137,130.43 and 18,541,764,000.55 is: 27,812,646,000.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,194,758,086.95 : 30,292,137,130.43 = 18,541,764,000.55 : x
  2. Step 2: Convert to fraction form
    20,194,758,086.95/30,292,137,130.43 = 18,541,764,000.55/x
  3. Step 3: Cross multiply
    20,194,758,086.95x = 30,292,137,130.43 × 18,541,764,000.55
  4. Step 4: Simplify right side
    20,194,758,086.95x = 561,669,657,744,730,947,584
  5. Step 5: Solve for x
    x = 561,669,657,744,730,947,584/20,194,758,086.95
  6. Step 6: Final answer
    x = 27,812,646,000.83

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Double scale
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1.5x scale

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.