Home / 1,040,691,612.50-1,561,129,176.13-293,714,038.78

Finding the Fourth Proportional to 1,040,691,612.50, 1,561,129,176.13 and 293,714,038.78

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Solution

The fourth proportional to 1,040,691,612.50, 1,561,129,176.13 and 293,714,038.78 is: 440,596,954.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,691,612.50 : 1,561,129,176.13 = 293,714,038.78 : x
  2. Step 2: Convert to fraction form
    1,040,691,612.50/1,561,129,176.13 = 293,714,038.78/x
  3. Step 3: Cross multiply
    1,040,691,612.50x = 1,561,129,176.13 × 293,714,038.78
  4. Step 4: Simplify right side
    1,040,691,612.50x = 458,525,555,378,436,288
  5. Step 5: Solve for x
    x = 458,525,555,378,436,288/1,040,691,612.50
  6. Step 6: Final answer
    x = 440,596,954.82

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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.