Home / 247,579,582,068.72-371,442,234,819.24-79,883,898,873.84

Finding the Fourth Proportional to 247,579,582,068.72, 371,442,234,819.24 and 79,883,898,873.84

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Solution

The fourth proportional to 247,579,582,068.72, 371,442,234,819.24 and 79,883,898,873.84 is: 119,849,357,834.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,579,582,068.72 : 371,442,234,819.24 = 79,883,898,873.84 : x
  2. Step 2: Convert to fraction form
    247,579,582,068.72/371,442,234,819.24 = 79,883,898,873.84/x
  3. Step 3: Cross multiply
    247,579,582,068.72x = 371,442,234,819.24 × 79,883,898,873.84
  4. Step 4: Simplify right side
    247,579,582,068.72x = 29,672,253,923,773,296,672,768
  5. Step 5: Solve for x
    x = 29,672,253,923,773,296,672,768/247,579,582,068.72
  6. Step 6: Final answer
    x = 119,849,357,834.11

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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.