Home / 1,040,045,540.20-1,560,068,310.30-349,723,364.20

Finding the Fourth Proportional to 1,040,045,540.20, 1,560,068,310.30 and 349,723,364.20

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Solution

The fourth proportional to 1,040,045,540.20, 1,560,068,310.30 and 349,723,364.20 is: 524,585,046.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,045,540.20 : 1,560,068,310.30 = 349,723,364.20 : x
  2. Step 2: Convert to fraction form
    1,040,045,540.20/1,560,068,310.30 = 349,723,364.20/x
  3. Step 3: Cross multiply
    1,040,045,540.20x = 1,560,068,310.30 × 349,723,364.20
  4. Step 4: Simplify right side
    1,040,045,540.20x = 545,592,337,859,925,504
  5. Step 5: Solve for x
    x = 545,592,337,859,925,504/1,040,045,540.20
  6. Step 6: Final answer
    x = 524,585,046.30

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Double scale
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Similar ratio
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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.