Home / 835,356,508.80-1,253,034,763.20-508,839,158.40

Finding the Fourth Proportional to 835,356,508.80, 1,253,034,763.20 and 508,839,158.40

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Solution

The fourth proportional to 835,356,508.80, 1,253,034,763.20 and 508,839,158.40 is: 763,258,737.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,356,508.80 : 1,253,034,763.20 = 508,839,158.40 : x
  2. Step 2: Convert to fraction form
    835,356,508.80/1,253,034,763.20 = 508,839,158.40/x
  3. Step 3: Cross multiply
    835,356,508.80x = 1,253,034,763.20 × 508,839,158.40
  4. Step 4: Simplify right side
    835,356,508.80x = 637,593,154,352,631,296
  5. Step 5: Solve for x
    x = 637,593,154,352,631,296/835,356,508.80
  6. Step 6: Final answer
    x = 763,258,737.60

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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.