Home / 454,584,658.68-681,901,329.33-143,668,622.70

Finding the Fourth Proportional to 454,584,658.68, 681,901,329.33 and 143,668,622.70

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Solution

The fourth proportional to 454,584,658.68, 681,901,329.33 and 143,668,622.70 is: 215,510,626.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,584,658.68 : 681,901,329.33 = 143,668,622.70 : x
  2. Step 2: Convert to fraction form
    454,584,658.68/681,901,329.33 = 143,668,622.70/x
  3. Step 3: Cross multiply
    454,584,658.68x = 681,901,329.33 × 143,668,622.70
  4. Step 4: Simplify right side
    454,584,658.68x = 97,967,824,802,140,208
  5. Step 5: Solve for x
    x = 97,967,824,802,140,208/454,584,658.68
  6. Step 6: Final answer
    x = 215,510,626.97

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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.