Home / 29,129,260,241.52-40,198,379,177.88-15,763,253,366.16

Finding the Fourth Proportional to 29,129,260,241.52, 40,198,379,177.88 and 15,763,253,366.16

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Solution

The fourth proportional to 29,129,260,241.52, 40,198,379,177.88 and 15,763,253,366.16 is: 21,753,289,669.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,129,260,241.52 : 40,198,379,177.88 = 15,763,253,366.16 : x
  2. Step 2: Convert to fraction form
    29,129,260,241.52/40,198,379,177.88 = 15,763,253,366.16/x
  3. Step 3: Cross multiply
    29,129,260,241.52x = 40,198,379,177.88 × 15,763,253,366.16
  4. Step 4: Simplify right side
    29,129,260,241.52x = 633,657,235,889,892,884,480
  5. Step 5: Solve for x
    x = 633,657,235,889,892,884,480/29,129,260,241.52
  6. Step 6: Final answer
    x = 21,753,289,669.43

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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.