Home / 387,095,510.40-580,643,265.60-223,836,835.20

Finding the Fourth Proportional to 387,095,510.40, 580,643,265.60 and 223,836,835.20

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Solution

The fourth proportional to 387,095,510.40, 580,643,265.60 and 223,836,835.20 is: 335,755,252.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,095,510.40 : 580,643,265.60 = 223,836,835.20 : x
  2. Step 2: Convert to fraction form
    387,095,510.40/580,643,265.60 = 223,836,835.20/x
  3. Step 3: Cross multiply
    387,095,510.40x = 580,643,265.60 × 223,836,835.20
  4. Step 4: Simplify right side
    387,095,510.40x = 129,969,350,952,097,024
  5. Step 5: Solve for x
    x = 129,969,350,952,097,024/387,095,510.40
  6. Step 6: Final answer
    x = 335,755,252.80

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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.