Home / 252,852,329,031.66-379,127,029,018.98-80,478,373,896.87

Finding the Fourth Proportional to 252,852,329,031.66, 379,127,029,018.98 and 80,478,373,896.87

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Solution

The fourth proportional to 252,852,329,031.66, 379,127,029,018.98 and 80,478,373,896.87 is: 120,669,352,394.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,852,329,031.66 : 379,127,029,018.98 = 80,478,373,896.87 : x
  2. Step 2: Convert to fraction form
    252,852,329,031.66/379,127,029,018.98 = 80,478,373,896.87/x
  3. Step 3: Cross multiply
    252,852,329,031.66x = 379,127,029,018.98 × 80,478,373,896.87
  4. Step 4: Simplify right side
    252,852,329,031.66x = 30,511,526,795,797,436,825,600
  5. Step 5: Solve for x
    x = 30,511,526,795,797,436,825,600/252,852,329,031.66
  6. Step 6: Final answer
    x = 120,669,352,394.92

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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.