Home / 359,301,834.60-495,839,497.32-198,371,002.20

Finding the Fourth Proportional to 359,301,834.60, 495,839,497.32 and 198,371,002.20

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Solution

The fourth proportional to 359,301,834.60, 495,839,497.32 and 198,371,002.20 is: 273,753,620.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,301,834.60 : 495,839,497.32 = 198,371,002.20 : x
  2. Step 2: Convert to fraction form
    359,301,834.60/495,839,497.32 = 198,371,002.20/x
  3. Step 3: Cross multiply
    359,301,834.60x = 495,839,497.32 × 198,371,002.20
  4. Step 4: Simplify right side
    359,301,834.60x = 98,360,178,013,712,608
  5. Step 5: Solve for x
    x = 98,360,178,013,712,608/359,301,834.60
  6. Step 6: Final answer
    x = 273,753,620.33

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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.