Home / 959,639,047.20-1,439,458,570.80-814,356,363.83

Finding the Fourth Proportional to 959,639,047.20, 1,439,458,570.80 and 814,356,363.83

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Solution

The fourth proportional to 959,639,047.20, 1,439,458,570.80 and 814,356,363.83 is: 1,221,534,545.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,639,047.20 : 1,439,458,570.80 = 814,356,363.83 : x
  2. Step 2: Convert to fraction form
    959,639,047.20/1,439,458,570.80 = 814,356,363.83/x
  3. Step 3: Cross multiply
    959,639,047.20x = 1,439,458,570.80 × 814,356,363.83
  4. Step 4: Simplify right side
    959,639,047.20x = 1,172,232,247,593,419,264
  5. Step 5: Solve for x
    x = 1,172,232,247,593,419,264/959,639,047.20
  6. Step 6: Final answer
    x = 1,221,534,545.74

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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.