Home / 925,174,391.28-1,387,612,675.80-269,971,586.16

Finding the Fourth Proportional to 925,174,391.28, 1,387,612,675.80 and 269,971,586.16

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Solution

The fourth proportional to 925,174,391.28, 1,387,612,675.80 and 269,971,586.16 is: 404,913,926.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,174,391.28 : 1,387,612,675.80 = 269,971,586.16 : x
  2. Step 2: Convert to fraction form
    925,174,391.28/1,387,612,675.80 = 269,971,586.16/x
  3. Step 3: Cross multiply
    925,174,391.28x = 1,387,612,675.80 × 269,971,586.16
  4. Step 4: Simplify right side
    925,174,391.28x = 374,615,995,061,447,872
  5. Step 5: Solve for x
    x = 374,615,995,061,447,872/925,174,391.28
  6. Step 6: Final answer
    x = 404,913,926.06

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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.