Home / 412,773,218.55-619,159,827.83-381,205,623.15

Finding the Fourth Proportional to 412,773,218.55, 619,159,827.83 and 381,205,623.15

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Solution

The fourth proportional to 412,773,218.55, 619,159,827.83 and 381,205,623.15 is: 571,808,434.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,773,218.55 : 619,159,827.83 = 381,205,623.15 : x
  2. Step 2: Convert to fraction form
    412,773,218.55/619,159,827.83 = 381,205,623.15/x
  3. Step 3: Cross multiply
    412,773,218.55x = 619,159,827.83 × 381,205,623.15
  4. Step 4: Simplify right side
    412,773,218.55x = 236,027,207,995,475,840
  5. Step 5: Solve for x
    x = 236,027,207,995,475,840/412,773,218.55
  6. Step 6: Final answer
    x = 571,808,434.73

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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.