Home / 1,078,865,608.92-1,488,470,082.30-702,350,755.80

Finding the Fourth Proportional to 1,078,865,608.92, 1,488,470,082.30 and 702,350,755.80

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Solution

The fourth proportional to 1,078,865,608.92, 1,488,470,082.30 and 702,350,755.80 is: 969,006,777.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,865,608.92 : 1,488,470,082.30 = 702,350,755.80 : x
  2. Step 2: Convert to fraction form
    1,078,865,608.92/1,488,470,082.30 = 702,350,755.80/x
  3. Step 3: Cross multiply
    1,078,865,608.92x = 1,488,470,082.30 × 702,350,755.80
  4. Step 4: Simplify right side
    1,078,865,608.92x = 1,045,428,087,289,093,120
  5. Step 5: Solve for x
    x = 1,045,428,087,289,093,120/1,078,865,608.92
  6. Step 6: Final answer
    x = 969,006,777.72

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Half scale
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Double scale
Find fourth proportional to 1,078,865,609.92, 1,488,470,083.68 and 702,350,756.80
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.