Home / 478,316,159.91-717,474,248.24-114,810,515.91

Finding the Fourth Proportional to 478,316,159.91, 717,474,248.24 and 114,810,515.91

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Solution

The fourth proportional to 478,316,159.91, 717,474,248.24 and 114,810,515.91 is: 172,215,775.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,316,159.91 : 717,474,248.24 = 114,810,515.91 : x
  2. Step 2: Convert to fraction form
    478,316,159.91/717,474,248.24 = 114,810,515.91/x
  3. Step 3: Cross multiply
    478,316,159.91x = 717,474,248.24 × 114,810,515.91
  4. Step 4: Simplify right side
    478,316,159.91x = 82,373,588,591,999,760
  5. Step 5: Solve for x
    x = 82,373,588,591,999,760/478,316,159.91
  6. Step 6: Final answer
    x = 172,215,775.87

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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.