Home / 1,428,388,010.56-1,971,167,532.60-801,856,272.88

Finding the Fourth Proportional to 1,428,388,010.56, 1,971,167,532.60 and 801,856,272.88

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Solution

The fourth proportional to 1,428,388,010.56, 1,971,167,532.60 and 801,856,272.88 is: 1,106,557,209.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,388,010.56 : 1,971,167,532.60 = 801,856,272.88 : x
  2. Step 2: Convert to fraction form
    1,428,388,010.56/1,971,167,532.60 = 801,856,272.88/x
  3. Step 3: Cross multiply
    1,428,388,010.56x = 1,971,167,532.60 × 801,856,272.88
  4. Step 4: Simplify right side
    1,428,388,010.56x = 1,580,593,050,912,701,696
  5. Step 5: Solve for x
    x = 1,580,593,050,912,701,696/1,428,388,010.56
  6. Step 6: Final answer
    x = 1,106,557,209.40

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.