Home / 252,852,329,125.11-379,127,029,158.90-80,478,373,990.26

Finding the Fourth Proportional to 252,852,329,125.11, 379,127,029,158.90 and 80,478,373,990.26

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Solution

The fourth proportional to 252,852,329,125.11, 379,127,029,158.90 and 80,478,373,990.26 is: 120,669,352,534.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,852,329,125.11 : 379,127,029,158.90 = 80,478,373,990.26 : x
  2. Step 2: Convert to fraction form
    252,852,329,125.11/379,127,029,158.90 = 80,478,373,990.26/x
  3. Step 3: Cross multiply
    252,852,329,125.11x = 379,127,029,158.90 × 80,478,373,990.26
  4. Step 4: Simplify right side
    252,852,329,125.11x = 30,511,526,842,466,161,393,664
  5. Step 5: Solve for x
    x = 30,511,526,842,466,161,393,664/252,852,329,125.11
  6. Step 6: Final answer
    x = 120,669,352,534.89

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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.