Home / 1,693,066,154.67-2,539,926,282.11-643,722,769.71

Finding the Fourth Proportional to 1,693,066,154.67, 2,539,926,282.11 and 643,722,769.71

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Solution

The fourth proportional to 1,693,066,154.67, 2,539,926,282.11 and 643,722,769.71 is: 965,708,502.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,693,066,154.67 : 2,539,926,282.11 = 643,722,769.71 : x
  2. Step 2: Convert to fraction form
    1,693,066,154.67/2,539,926,282.11 = 643,722,769.71/x
  3. Step 3: Cross multiply
    1,693,066,154.67x = 2,539,926,282.11 × 643,722,769.71
  4. Step 4: Simplify right side
    1,693,066,154.67x = 1,635,008,381,175,853,568
  5. Step 5: Solve for x
    x = 1,635,008,381,175,853,568/1,693,066,154.67
  6. Step 6: Final answer
    x = 965,708,502.69

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Double scale
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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.