Home / 454,896,400.80-682,344,601.20-445,826,474.40

Finding the Fourth Proportional to 454,896,400.80, 682,344,601.20 and 445,826,474.40

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Solution

The fourth proportional to 454,896,400.80, 682,344,601.20 and 445,826,474.40 is: 668,739,711.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,896,400.80 : 682,344,601.20 = 445,826,474.40 : x
  2. Step 2: Convert to fraction form
    454,896,400.80/682,344,601.20 = 445,826,474.40/x
  3. Step 3: Cross multiply
    454,896,400.80x = 682,344,601.20 × 445,826,474.40
  4. Step 4: Simplify right side
    454,896,400.80x = 304,207,287,878,870,016
  5. Step 5: Solve for x
    x = 304,207,287,878,870,016/454,896,400.80
  6. Step 6: Final answer
    x = 668,739,711.60

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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.