Home / 359,616,639.17-495,997,503.46-309,465,387.61

Finding the Fourth Proportional to 359,616,639.17, 495,997,503.46 and 309,465,387.61

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Solution

The fourth proportional to 359,616,639.17, 495,997,503.46 and 309,465,387.61 is: 426,826,912.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,616,639.17 : 495,997,503.46 = 309,465,387.61 : x
  2. Step 2: Convert to fraction form
    359,616,639.17/495,997,503.46 = 309,465,387.61/x
  3. Step 3: Cross multiply
    359,616,639.17x = 495,997,503.46 × 309,465,387.61
  4. Step 4: Simplify right side
    359,616,639.17x = 153,494,059,659,827,552
  5. Step 5: Solve for x
    x = 153,494,059,659,827,552/359,616,639.17
  6. Step 6: Final answer
    x = 426,826,912.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.