Home / 1,545,293,407.20-2,317,940,110.80-931,561,720.80

Finding the Fourth Proportional to 1,545,293,407.20, 2,317,940,110.80 and 931,561,720.80

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Solution

The fourth proportional to 1,545,293,407.20, 2,317,940,110.80 and 931,561,720.80 is: 1,397,342,581.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545,293,407.20 : 2,317,940,110.80 = 931,561,720.80 : x
  2. Step 2: Convert to fraction form
    1,545,293,407.20/2,317,940,110.80 = 931,561,720.80/x
  3. Step 3: Cross multiply
    1,545,293,407.20x = 2,317,940,110.80 × 931,561,720.80
  4. Step 4: Simplify right side
    1,545,293,407.20x = 2,159,304,278,328,190,720
  5. Step 5: Solve for x
    x = 2,159,304,278,328,190,720/1,545,293,407.20
  6. Step 6: Final answer
    x = 1,397,342,581.20

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1.5x scale

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.