Home / 559,726,380.31-772,326,742.40-324,723,170.11

Finding the Fourth Proportional to 559,726,380.31, 772,326,742.40 and 324,723,170.11

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Solution

The fourth proportional to 559,726,380.31, 772,326,742.40 and 324,723,170.11 is: 448,062,476.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,726,380.31 : 772,326,742.40 = 324,723,170.11 : x
  2. Step 2: Convert to fraction form
    559,726,380.31/772,326,742.40 = 324,723,170.11/x
  3. Step 3: Cross multiply
    559,726,380.31x = 772,326,742.40 × 324,723,170.11
  4. Step 4: Simplify right side
    559,726,380.31x = 250,792,388,149,302,912
  5. Step 5: Solve for x
    x = 250,792,388,149,302,912/559,726,380.31
  6. Step 6: Final answer
    x = 448,062,476.55

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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.