Home / 1,103,851,505.31-1,655,580,661.13-439,809,872.54

Finding the Fourth Proportional to 1,103,851,505.31, 1,655,580,661.13 and 439,809,872.54

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Solution

The fourth proportional to 1,103,851,505.31, 1,655,580,661.13 and 439,809,872.54 is: 659,636,478.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,851,505.31 : 1,655,580,661.13 = 439,809,872.54 : x
  2. Step 2: Convert to fraction form
    1,103,851,505.31/1,655,580,661.13 = 439,809,872.54/x
  3. Step 3: Cross multiply
    1,103,851,505.31x = 1,655,580,661.13 × 439,809,872.54
  4. Step 4: Simplify right side
    1,103,851,505.31x = 728,140,719,540,797,312
  5. Step 5: Solve for x
    x = 728,140,719,540,797,312/1,103,851,505.31
  6. Step 6: Final answer
    x = 659,636,478.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.