Home / 815,508,748.18-1,223,263,122.26-815,508,748.18

Finding the Fourth Proportional to 815,508,748.18, 1,223,263,122.26 and 815,508,748.18

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Solution

The fourth proportional to 815,508,748.18, 1,223,263,122.26 and 815,508,748.18 is: 1,223,263,122.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,508,748.18 : 1,223,263,122.26 = 815,508,748.18 : x
  2. Step 2: Convert to fraction form
    815,508,748.18/1,223,263,122.26 = 815,508,748.18/x
  3. Step 3: Cross multiply
    815,508,748.18x = 1,223,263,122.26 × 815,508,748.18
  4. Step 4: Simplify right side
    815,508,748.18x = 997,581,777,529,010,816
  5. Step 5: Solve for x
    x = 997,581,777,529,010,816/815,508,748.18
  6. Step 6: Final answer
    x = 1,223,263,122.26

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Double scale
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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.