Home / 1,309,481,713.66-1,806,815,005.23-752,457,143.92

Finding the Fourth Proportional to 1,309,481,713.66, 1,806,815,005.23 and 752,457,143.92

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Solution

The fourth proportional to 1,309,481,713.66, 1,806,815,005.23 and 752,457,143.92 is: 1,038,235,848.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,481,713.66 : 1,806,815,005.23 = 752,457,143.92 : x
  2. Step 2: Convert to fraction form
    1,309,481,713.66/1,806,815,005.23 = 752,457,143.92/x
  3. Step 3: Cross multiply
    1,309,481,713.66x = 1,806,815,005.23 × 752,457,143.92
  4. Step 4: Simplify right side
    1,309,481,713.66x = 1,359,550,858,425,507,840
  5. Step 5: Solve for x
    x = 1,359,550,858,425,507,840/1,309,481,713.66
  6. Step 6: Final answer
    x = 1,038,235,848.77

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Double scale
Find fourth proportional to 1,309,481,714.66, 1,806,815,006.61 and 752,457,144.92
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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.