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Finding the Fourth Proportional to 1,073,091,601.80, 1,609,637,402.70 and 744,873,640.20

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Solution

The fourth proportional to 1,073,091,601.80, 1,609,637,402.70 and 744,873,640.20 is: 1,117,310,460.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073,091,601.80 : 1,609,637,402.70 = 744,873,640.20 : x
  2. Step 2: Convert to fraction form
    1,073,091,601.80/1,609,637,402.70 = 744,873,640.20/x
  3. Step 3: Cross multiply
    1,073,091,601.80x = 1,609,637,402.70 × 744,873,640.20
  4. Step 4: Simplify right side
    1,073,091,601.80x = 1,198,976,471,551,222,528
  5. Step 5: Solve for x
    x = 1,198,976,471,551,222,528/1,073,091,601.80
  6. Step 6: Final answer
    x = 1,117,310,460.30

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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.