Home / 1,948,297,765.23-2,688,851,309.86-1,185,395,995.73

Finding the Fourth Proportional to 1,948,297,765.23, 2,688,851,309.86 and 1,185,395,995.73

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Solution

The fourth proportional to 1,948,297,765.23, 2,688,851,309.86 and 1,185,395,995.73 is: 1,635,968,399.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,948,297,765.23 : 2,688,851,309.86 = 1,185,395,995.73 : x
  2. Step 2: Convert to fraction form
    1,948,297,765.23/2,688,851,309.86 = 1,185,395,995.73/x
  3. Step 3: Cross multiply
    1,948,297,765.23x = 2,688,851,309.86 × 1,185,395,995.73
  4. Step 4: Simplify right side
    1,948,297,765.23x = 3,187,353,575,829,554,176
  5. Step 5: Solve for x
    x = 3,187,353,575,829,554,176/1,948,297,765.23
  6. Step 6: Final answer
    x = 1,635,968,399.04

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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.