Home / 486,962,368,279.80-730,443,552,419.70-411,647,825,218.20

Finding the Fourth Proportional to 486,962,368,279.80, 730,443,552,419.70 and 411,647,825,218.20

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Solution

The fourth proportional to 486,962,368,279.80, 730,443,552,419.70 and 411,647,825,218.20 is: 617,471,737,827.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,962,368,279.80 : 730,443,552,419.70 = 411,647,825,218.20 : x
  2. Step 2: Convert to fraction form
    486,962,368,279.80/730,443,552,419.70 = 411,647,825,218.20/x
  3. Step 3: Cross multiply
    486,962,368,279.80x = 730,443,552,419.70 × 411,647,825,218.20
  4. Step 4: Simplify right side
    486,962,368,279.80x = 300,685,499,798,225,762,123,776
  5. Step 5: Solve for x
    x = 300,685,499,798,225,762,123,776/486,962,368,279.80
  6. Step 6: Final answer
    x = 617,471,737,827.30

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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.