Home / 791,485,221.23-1,186,455,789.19-376,850,635.08

Finding the Fourth Proportional to 791,485,221.23, 1,186,455,789.19 and 376,850,635.08

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Solution

The fourth proportional to 791,485,221.23, 1,186,455,789.19 and 376,850,635.08 is: 564,908,359.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,485,221.23 : 1,186,455,789.19 = 376,850,635.08 : x
  2. Step 2: Convert to fraction form
    791,485,221.23/1,186,455,789.19 = 376,850,635.08/x
  3. Step 3: Cross multiply
    791,485,221.23x = 1,186,455,789.19 × 376,850,635.08
  4. Step 4: Simplify right side
    791,485,221.23x = 447,116,617,644,486,784
  5. Step 5: Solve for x
    x = 447,116,617,644,486,784/791,485,221.23
  6. Step 6: Final answer
    x = 564,908,359.18

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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.