Home / 1,948,297,765.05-2,688,851,309.61-1,185,395,995.55

Finding the Fourth Proportional to 1,948,297,765.05, 2,688,851,309.61 and 1,185,395,995.55

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Solution

The fourth proportional to 1,948,297,765.05, 2,688,851,309.61 and 1,185,395,995.55 is: 1,635,968,398.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,948,297,765.05 : 2,688,851,309.61 = 1,185,395,995.55 : x
  2. Step 2: Convert to fraction form
    1,948,297,765.05/2,688,851,309.61 = 1,185,395,995.55/x
  3. Step 3: Cross multiply
    1,948,297,765.05x = 2,688,851,309.61 × 1,185,395,995.55
  4. Step 4: Simplify right side
    1,948,297,765.05x = 3,187,353,575,027,623,424
  5. Step 5: Solve for x
    x = 3,187,353,575,027,623,424/1,948,297,765.05
  6. Step 6: Final answer
    x = 1,635,968,398.78

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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.