Home / 454,896,005.20-682,344,007.80-448,093,560.40

Finding the Fourth Proportional to 454,896,005.20, 682,344,007.80 and 448,093,560.40

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Solution

The fourth proportional to 454,896,005.20, 682,344,007.80 and 448,093,560.40 is: 672,140,340.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,896,005.20 : 682,344,007.80 = 448,093,560.40 : x
  2. Step 2: Convert to fraction form
    454,896,005.20/682,344,007.80 = 448,093,560.40/x
  3. Step 3: Cross multiply
    454,896,005.20x = 682,344,007.80 × 448,093,560.40
  4. Step 4: Simplify right side
    454,896,005.20x = 305,753,955,872,707,328
  5. Step 5: Solve for x
    x = 305,753,955,872,707,328/454,896,005.20
  6. Step 6: Final answer
    x = 672,140,340.60

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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.