Home / 447,315,020.46-617,288,844.33-246,368,036.70

Finding the Fourth Proportional to 447,315,020.46, 617,288,844.33 and 246,368,036.70

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Solution

The fourth proportional to 447,315,020.46, 617,288,844.33 and 246,368,036.70 is: 339,984,649.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,315,020.46 : 617,288,844.33 = 246,368,036.70 : x
  2. Step 2: Convert to fraction form
    447,315,020.46/617,288,844.33 = 246,368,036.70/x
  3. Step 3: Cross multiply
    447,315,020.46x = 617,288,844.33 × 246,368,036.70
  4. Step 4: Simplify right side
    447,315,020.46x = 152,080,240,654,394,016
  5. Step 5: Solve for x
    x = 152,080,240,654,394,016/447,315,020.46
  6. Step 6: Final answer
    x = 339,984,649.96

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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.