Home / 625,699,879.10-864,182,468.55-412,073,489.06

Finding the Fourth Proportional to 625,699,879.10, 864,182,468.55 and 412,073,489.06

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Solution

The fourth proportional to 625,699,879.10, 864,182,468.55 and 412,073,489.06 is: 569,133,376.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,699,879.10 : 864,182,468.55 = 412,073,489.06 : x
  2. Step 2: Convert to fraction form
    625,699,879.10/864,182,468.55 = 412,073,489.06/x
  3. Step 3: Cross multiply
    625,699,879.10x = 864,182,468.55 × 412,073,489.06
  4. Step 4: Simplify right side
    625,699,879.10x = 356,106,684,999,882,176
  5. Step 5: Solve for x
    x = 356,106,684,999,882,176/625,699,879.10
  6. Step 6: Final answer
    x = 569,133,376.71

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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.