Home / 1,259,713,062.30-1,889,569,593.45-797,146,815.90

Finding the Fourth Proportional to 1,259,713,062.30, 1,889,569,593.45 and 797,146,815.90

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Solution

The fourth proportional to 1,259,713,062.30, 1,889,569,593.45 and 797,146,815.90 is: 1,195,720,223.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,713,062.30 : 1,889,569,593.45 = 797,146,815.90 : x
  2. Step 2: Convert to fraction form
    1,259,713,062.30/1,889,569,593.45 = 797,146,815.90/x
  3. Step 3: Cross multiply
    1,259,713,062.30x = 1,889,569,593.45 × 797,146,815.90
  4. Step 4: Simplify right side
    1,259,713,062.30x = 1,506,264,384,840,124,928
  5. Step 5: Solve for x
    x = 1,506,264,384,840,124,928/1,259,713,062.30
  6. Step 6: Final answer
    x = 1,195,720,223.85

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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.