Home / 651,188,897.40-976,484,747.70-287,496,046.20

Finding the Fourth Proportional to 651,188,897.40, 976,484,747.70 and 287,496,046.20

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Solution

The fourth proportional to 651,188,897.40, 976,484,747.70 and 287,496,046.20 is: 431,112,239.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,188,897.40 : 976,484,747.70 = 287,496,046.20 : x
  2. Step 2: Convert to fraction form
    651,188,897.40/976,484,747.70 = 287,496,046.20/x
  3. Step 3: Cross multiply
    651,188,897.40x = 976,484,747.70 × 287,496,046.20
  4. Step 4: Simplify right side
    651,188,897.40x = 280,735,504,138,354,560
  5. Step 5: Solve for x
    x = 280,735,504,138,354,560/651,188,897.40
  6. Step 6: Final answer
    x = 431,112,239.87

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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.