Home / 1,721,578,049.40-2,578,540,698.90-1,491,995,537.40

Finding the Fourth Proportional to 1,721,578,049.40, 2,578,540,698.90 and 1,491,995,537.40

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Solution

The fourth proportional to 1,721,578,049.40, 2,578,540,698.90 and 1,491,995,537.40 is: 2,234,677,200.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,721,578,049.40 : 2,578,540,698.90 = 1,491,995,537.40 : x
  2. Step 2: Convert to fraction form
    1,721,578,049.40/2,578,540,698.90 = 1,491,995,537.40/x
  3. Step 3: Cross multiply
    1,721,578,049.40x = 2,578,540,698.90 × 1,491,995,537.40
  4. Step 4: Simplify right side
    1,721,578,049.40x = 3,847,171,215,763,077,632
  5. Step 5: Solve for x
    x = 3,847,171,215,763,077,632/1,721,578,049.40
  6. Step 6: Final answer
    x = 2,234,677,200.43

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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.