Home / 1,818,655,301.74-2,727,971,505.42-978,693,706.08

Finding the Fourth Proportional to 1,818,655,301.74, 2,727,971,505.42 and 978,693,706.08

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Solution

The fourth proportional to 1,818,655,301.74, 2,727,971,505.42 and 978,693,706.08 is: 1,468,034,398.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818,655,301.74 : 2,727,971,505.42 = 978,693,706.08 : x
  2. Step 2: Convert to fraction form
    1,818,655,301.74/2,727,971,505.42 = 978,693,706.08/x
  3. Step 3: Cross multiply
    1,818,655,301.74x = 2,727,971,505.42 × 978,693,706.08
  4. Step 4: Simplify right side
    1,818,655,301.74x = 2,669,848,542,720,136,704
  5. Step 5: Solve for x
    x = 2,669,848,542,720,136,704/1,818,655,301.74
  6. Step 6: Final answer
    x = 1,468,034,398.91

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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.