Home / 1,040,547,116.30-1,560,197,354.27-331,189,273.31

Finding the Fourth Proportional to 1,040,547,116.30, 1,560,197,354.27 and 331,189,273.31

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Solution

The fourth proportional to 1,040,547,116.30, 1,560,197,354.27 and 331,189,273.31 is: 496,585,517.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,547,116.30 : 1,560,197,354.27 = 331,189,273.31 : x
  2. Step 2: Convert to fraction form
    1,040,547,116.30/1,560,197,354.27 = 331,189,273.31/x
  3. Step 3: Cross multiply
    1,040,547,116.30x = 1,560,197,354.27 × 331,189,273.31
  4. Step 4: Simplify right side
    1,040,547,116.30x = 516,720,627,971,409,024
  5. Step 5: Solve for x
    x = 516,720,627,971,409,024/1,040,547,116.30
  6. Step 6: Final answer
    x = 496,585,517.25

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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.