Home / 437,465,128.80-656,197,693.20-178,594,312.80

Finding the Fourth Proportional to 437,465,128.80, 656,197,693.20 and 178,594,312.80

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Solution

The fourth proportional to 437,465,128.80, 656,197,693.20 and 178,594,312.80 is: 267,891,469.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,465,128.80 : 656,197,693.20 = 178,594,312.80 : x
  2. Step 2: Convert to fraction form
    437,465,128.80/656,197,693.20 = 178,594,312.80/x
  3. Step 3: Cross multiply
    437,465,128.80x = 656,197,693.20 × 178,594,312.80
  4. Step 4: Simplify right side
    437,465,128.80x = 117,193,176,077,999,248
  5. Step 5: Solve for x
    x = 117,193,176,077,999,248/437,465,128.80
  6. Step 6: Final answer
    x = 267,891,469.20

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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.