Home / 457,085,459.52-630,816,835.82-258,882,213.96

Finding the Fourth Proportional to 457,085,459.52, 630,816,835.82 and 258,882,213.96

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Solution

The fourth proportional to 457,085,459.52, 630,816,835.82 and 258,882,213.96 is: 357,279,488.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,085,459.52 : 630,816,835.82 = 258,882,213.96 : x
  2. Step 2: Convert to fraction form
    457,085,459.52/630,816,835.82 = 258,882,213.96/x
  3. Step 3: Cross multiply
    457,085,459.52x = 630,816,835.82 × 258,882,213.96
  4. Step 4: Simplify right side
    457,085,459.52x = 163,307,259,059,029,056
  5. Step 5: Solve for x
    x = 163,307,259,059,029,056/457,085,459.52
  6. Step 6: Final answer
    x = 357,279,488.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.