Home / 486,962,368,278.30-730,443,552,417.45-411,647,825,216.70

Finding the Fourth Proportional to 486,962,368,278.30, 730,443,552,417.45 and 411,647,825,216.70

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Solution

The fourth proportional to 486,962,368,278.30, 730,443,552,417.45 and 411,647,825,216.70 is: 617,471,737,825.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,962,368,278.30 : 730,443,552,417.45 = 411,647,825,216.70 : x
  2. Step 2: Convert to fraction form
    486,962,368,278.30/730,443,552,417.45 = 411,647,825,216.70/x
  3. Step 3: Cross multiply
    486,962,368,278.30x = 730,443,552,417.45 × 411,647,825,216.70
  4. Step 4: Simplify right side
    486,962,368,278.30x = 300,685,499,796,203,906,269,184
  5. Step 5: Solve for x
    x = 300,685,499,796,203,906,269,184/486,962,368,278.30
  6. Step 6: Final answer
    x = 617,471,737,825.05

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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.