Home / 638,443,391.55-957,665,087.33-638,443,391.55

Finding the Fourth Proportional to 638,443,391.55, 957,665,087.33 and 638,443,391.55

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Solution

The fourth proportional to 638,443,391.55, 957,665,087.33 and 638,443,391.55 is: 957,665,087.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,443,391.55 : 957,665,087.33 = 638,443,391.55 : x
  2. Step 2: Convert to fraction form
    638,443,391.55/957,665,087.33 = 638,443,391.55/x
  3. Step 3: Cross multiply
    638,443,391.55x = 957,665,087.33 × 638,443,391.55
  4. Step 4: Simplify right side
    638,443,391.55x = 611,414,946,320,799,872
  5. Step 5: Solve for x
    x = 611,414,946,320,799,872/638,443,391.55
  6. Step 6: Final answer
    x = 957,665,087.33

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Double scale
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Similar ratio
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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.