Home / 487,056,505.90-730,510,941.09-132,558,412.96

Finding the Fourth Proportional to 487,056,505.90, 730,510,941.09 and 132,558,412.96

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Solution

The fourth proportional to 487,056,505.90, 730,510,941.09 and 132,558,412.96 is: 198,817,529.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,056,505.90 : 730,510,941.09 = 132,558,412.96 : x
  2. Step 2: Convert to fraction form
    487,056,505.90/730,510,941.09 = 132,558,412.96/x
  3. Step 3: Cross multiply
    487,056,505.90x = 730,510,941.09 × 132,558,412.96
  4. Step 4: Simplify right side
    487,056,505.90x = 96,835,371,000,806,448
  5. Step 5: Solve for x
    x = 96,835,371,000,806,448/487,056,505.90
  6. Step 6: Final answer
    x = 198,817,529.03

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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.