Home / 487,056,504.57-730,510,939.05-132,558,411.61

Finding the Fourth Proportional to 487,056,504.57, 730,510,939.05 and 132,558,411.61

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Solution

The fourth proportional to 487,056,504.57, 730,510,939.05 and 132,558,411.61 is: 198,817,526.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,056,504.57 : 730,510,939.05 = 132,558,411.61 : x
  2. Step 2: Convert to fraction form
    487,056,504.57/730,510,939.05 = 132,558,411.61/x
  3. Step 3: Cross multiply
    487,056,504.57x = 730,510,939.05 × 132,558,411.61
  4. Step 4: Simplify right side
    487,056,504.57x = 96,835,369,744,197,520
  5. Step 5: Solve for x
    x = 96,835,369,744,197,520/487,056,504.57
  6. Step 6: Final answer
    x = 198,817,526.99

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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.