Home / 53,872,129,315.20-80,808,193,972.80-30,653,117,731.20

Finding the Fourth Proportional to 53,872,129,315.20, 80,808,193,972.80 and 30,653,117,731.20

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Solution

The fourth proportional to 53,872,129,315.20, 80,808,193,972.80 and 30,653,117,731.20 is: 45,979,676,596.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,872,129,315.20 : 80,808,193,972.80 = 30,653,117,731.20 : x
  2. Step 2: Convert to fraction form
    53,872,129,315.20/80,808,193,972.80 = 30,653,117,731.20/x
  3. Step 3: Cross multiply
    53,872,129,315.20x = 80,808,193,972.80 × 30,653,117,731.20
  4. Step 4: Simplify right side
    53,872,129,315.20x = 2,477,023,083,493,884,690,432
  5. Step 5: Solve for x
    x = 2,477,023,083,493,884,690,432/53,872,129,315.20
  6. Step 6: Final answer
    x = 45,979,676,596.80

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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.