Home / 988,957,559.70-1,483,436,339.55-298,971,306.90

Finding the Fourth Proportional to 988,957,559.70, 1,483,436,339.55 and 298,971,306.90

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Solution

The fourth proportional to 988,957,559.70, 1,483,436,339.55 and 298,971,306.90 is: 448,456,960.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,957,559.70 : 1,483,436,339.55 = 298,971,306.90 : x
  2. Step 2: Convert to fraction form
    988,957,559.70/1,483,436,339.55 = 298,971,306.90/x
  3. Step 3: Cross multiply
    988,957,559.70x = 1,483,436,339.55 × 298,971,306.90
  4. Step 4: Simplify right side
    988,957,559.70x = 443,504,901,138,215,616
  5. Step 5: Solve for x
    x = 443,504,901,138,215,616/988,957,559.70
  6. Step 6: Final answer
    x = 448,456,960.35

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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.