Home / 1,615,694,270.02-2,229,758,012.22-891,478,655.90

Finding the Fourth Proportional to 1,615,694,270.02, 2,229,758,012.22 and 891,478,655.90

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Solution

The fourth proportional to 1,615,694,270.02, 2,229,758,012.22 and 891,478,655.90 is: 1,230,295,676.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,694,270.02 : 2,229,758,012.22 = 891,478,655.90 : x
  2. Step 2: Convert to fraction form
    1,615,694,270.02/2,229,758,012.22 = 891,478,655.90/x
  3. Step 3: Cross multiply
    1,615,694,270.02x = 2,229,758,012.22 × 891,478,655.90
  4. Step 4: Simplify right side
    1,615,694,270.02x = 1,987,781,675,716,141,056
  5. Step 5: Solve for x
    x = 1,987,781,675,716,141,056/1,615,694,270.02
  6. Step 6: Final answer
    x = 1,230,295,676.97

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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.