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Finding the Fourth Proportional to 1,034,807,307.32, 1,428,039,884.44 and 588,770,659.80

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Solution

The fourth proportional to 1,034,807,307.32, 1,428,039,884.44 and 588,770,659.80 is: 812,506,810.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,034,807,307.32 : 1,428,039,884.44 = 588,770,659.80 : x
  2. Step 2: Convert to fraction form
    1,034,807,307.32/1,428,039,884.44 = 588,770,659.80/x
  3. Step 3: Cross multiply
    1,034,807,307.32x = 1,428,039,884.44 × 588,770,659.80
  4. Step 4: Simplify right side
    1,034,807,307.32x = 840,787,984,982,454,528
  5. Step 5: Solve for x
    x = 840,787,984,982,454,528/1,034,807,307.32
  6. Step 6: Final answer
    x = 812,506,810.72

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Double scale
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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.