Home / 1,309,481,717.22-1,806,815,010.15-752,457,147.48

Finding the Fourth Proportional to 1,309,481,717.22, 1,806,815,010.15 and 752,457,147.48

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Solution

The fourth proportional to 1,309,481,717.22, 1,806,815,010.15 and 752,457,147.48 is: 1,038,235,853.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,481,717.22 : 1,806,815,010.15 = 752,457,147.48 : x
  2. Step 2: Convert to fraction form
    1,309,481,717.22/1,806,815,010.15 = 752,457,147.48/x
  3. Step 3: Cross multiply
    1,309,481,717.22x = 1,806,815,010.15 × 752,457,147.48
  4. Step 4: Simplify right side
    1,309,481,717.22x = 1,359,550,868,561,516,288
  5. Step 5: Solve for x
    x = 1,359,550,868,561,516,288/1,309,481,717.22
  6. Step 6: Final answer
    x = 1,038,235,853.68

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Double scale
Find fourth proportional to 1,309,481,718.22, 1,806,815,011.53 and 752,457,148.48
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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.