Home / 487,056,504.92-730,510,939.58-132,558,411.96

Finding the Fourth Proportional to 487,056,504.92, 730,510,939.58 and 132,558,411.96

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Solution

The fourth proportional to 487,056,504.92, 730,510,939.58 and 132,558,411.96 is: 198,817,527.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,056,504.92 : 730,510,939.58 = 132,558,411.96 : x
  2. Step 2: Convert to fraction form
    487,056,504.92/730,510,939.58 = 132,558,411.96/x
  3. Step 3: Cross multiply
    487,056,504.92x = 730,510,939.58 × 132,558,411.96
  4. Step 4: Simplify right side
    487,056,504.92x = 96,835,370,069,469,520
  5. Step 5: Solve for x
    x = 96,835,370,069,469,520/487,056,504.92
  6. Step 6: Final answer
    x = 198,817,527.52

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1.5x scale

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.