Home / 1,258,454,129.33-1,887,687,164.51-385,054,104.58

Finding the Fourth Proportional to 1,258,454,129.33, 1,887,687,164.51 and 385,054,104.58

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Solution

The fourth proportional to 1,258,454,129.33, 1,887,687,164.51 and 385,054,104.58 is: 577,582,983.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,454,129.33 : 1,887,687,164.51 = 385,054,104.58 : x
  2. Step 2: Convert to fraction form
    1,258,454,129.33/1,887,687,164.51 = 385,054,104.58/x
  3. Step 3: Cross multiply
    1,258,454,129.33x = 1,887,687,164.51 × 385,054,104.58
  4. Step 4: Simplify right side
    1,258,454,129.33x = 726,861,690,852,375,936
  5. Step 5: Solve for x
    x = 726,861,690,852,375,936/1,258,454,129.33
  6. Step 6: Final answer
    x = 577,582,983.69

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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.