Home / 458,065,805.40-687,098,708.10-276,667,277.40

Finding the Fourth Proportional to 458,065,805.40, 687,098,708.10 and 276,667,277.40

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Solution

The fourth proportional to 458,065,805.40, 687,098,708.10 and 276,667,277.40 is: 415,000,916.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,065,805.40 : 687,098,708.10 = 276,667,277.40 : x
  2. Step 2: Convert to fraction form
    458,065,805.40/687,098,708.10 = 276,667,277.40/x
  3. Step 3: Cross multiply
    458,065,805.40x = 687,098,708.10 × 276,667,277.40
  4. Step 4: Simplify right side
    458,065,805.40x = 190,097,728,875,084,320
  5. Step 5: Solve for x
    x = 190,097,728,875,084,320/458,065,805.40
  6. Step 6: Final answer
    x = 415,000,916.10

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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.