Home / 863,892,268.47-1,192,171,311.96-467,415,258.13

Finding the Fourth Proportional to 863,892,268.47, 1,192,171,311.96 and 467,415,258.13

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Solution

The fourth proportional to 863,892,268.47, 1,192,171,311.96 and 467,415,258.13 is: 645,033,046.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,892,268.47 : 1,192,171,311.96 = 467,415,258.13 : x
  2. Step 2: Convert to fraction form
    863,892,268.47/1,192,171,311.96 = 467,415,258.13/x
  3. Step 3: Cross multiply
    863,892,268.47x = 1,192,171,311.96 × 467,415,258.13
  4. Step 4: Simplify right side
    863,892,268.47x = 557,239,061,513,687,424
  5. Step 5: Solve for x
    x = 557,239,061,513,687,424/863,892,268.47
  6. Step 6: Final answer
    x = 645,033,046.19

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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.