Home / 1,615,694,270.27-2,229,758,012.57-891,478,656.16

Finding the Fourth Proportional to 1,615,694,270.27, 2,229,758,012.57 and 891,478,656.16

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Solution

The fourth proportional to 1,615,694,270.27, 2,229,758,012.57 and 891,478,656.16 is: 1,230,295,677.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,694,270.27 : 2,229,758,012.57 = 891,478,656.16 : x
  2. Step 2: Convert to fraction form
    1,615,694,270.27/2,229,758,012.57 = 891,478,656.16/x
  3. Step 3: Cross multiply
    1,615,694,270.27x = 2,229,758,012.57 × 891,478,656.16
  4. Step 4: Simplify right side
    1,615,694,270.27x = 1,987,781,676,597,864,192
  5. Step 5: Solve for x
    x = 1,987,781,676,597,864,192/1,615,694,270.27
  6. Step 6: Final answer
    x = 1,230,295,677.33

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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.