Home / 487,485,976.27-672,731,951.17-264,467,657.90

Finding the Fourth Proportional to 487,485,976.27, 672,731,951.17 and 264,467,657.90

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Solution

The fourth proportional to 487,485,976.27, 672,731,951.17 and 264,467,657.90 is: 364,966,075.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,485,976.27 : 672,731,951.17 = 264,467,657.90 : x
  2. Step 2: Convert to fraction form
    487,485,976.27/672,731,951.17 = 264,467,657.90/x
  3. Step 3: Cross multiply
    487,485,976.27x = 672,731,951.17 × 264,467,657.90
  4. Step 4: Simplify right side
    487,485,976.27x = 177,915,843,517,063,392
  5. Step 5: Solve for x
    x = 177,915,843,517,063,392/487,485,976.27
  6. Step 6: Final answer
    x = 364,966,075.29

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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.