Home / 789,942,462.97-1,184,765,554.95-396,363,613.36

Finding the Fourth Proportional to 789,942,462.97, 1,184,765,554.95 and 396,363,613.36

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Solution

The fourth proportional to 789,942,462.97, 1,184,765,554.95 and 396,363,613.36 is: 594,471,089.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,942,462.97 : 1,184,765,554.95 = 396,363,613.36 : x
  2. Step 2: Convert to fraction form
    789,942,462.97/1,184,765,554.95 = 396,363,613.36/x
  3. Step 3: Cross multiply
    789,942,462.97x = 1,184,765,554.95 × 396,363,613.36
  4. Step 4: Simplify right side
    789,942,462.97x = 469,597,956,344,447,680
  5. Step 5: Solve for x
    x = 469,597,956,344,447,680/789,942,462.97
  6. Step 6: Final answer
    x = 594,471,089.17

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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.