Home / 415,257,030.55-622,885,545.83-408,800,022.40

Finding the Fourth Proportional to 415,257,030.55, 622,885,545.83 and 408,800,022.40

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Solution

The fourth proportional to 415,257,030.55, 622,885,545.83 and 408,800,022.40 is: 613,200,033.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,257,030.55 : 622,885,545.83 = 408,800,022.40 : x
  2. Step 2: Convert to fraction form
    415,257,030.55/622,885,545.83 = 408,800,022.40/x
  3. Step 3: Cross multiply
    415,257,030.55x = 622,885,545.83 × 408,800,022.40
  4. Step 4: Simplify right side
    415,257,030.55x = 254,635,625,087,940,224
  5. Step 5: Solve for x
    x = 254,635,625,087,940,224/415,257,030.55
  6. Step 6: Final answer
    x = 613,200,033.60

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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.