Home / 522,263,132.16-721,757,202.23-428,028,647.19

Finding the Fourth Proportional to 522,263,132.16, 721,757,202.23 and 428,028,647.19

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Solution

The fourth proportional to 522,263,132.16, 721,757,202.23 and 428,028,647.19 is: 591,527,028.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,263,132.16 : 721,757,202.23 = 428,028,647.19 : x
  2. Step 2: Convert to fraction form
    522,263,132.16/721,757,202.23 = 428,028,647.19/x
  3. Step 3: Cross multiply
    522,263,132.16x = 721,757,202.23 × 428,028,647.19
  4. Step 4: Simplify right side
    522,263,132.16x = 308,932,758,866,104,064
  5. Step 5: Solve for x
    x = 308,932,758,866,104,064/522,263,132.16
  6. Step 6: Final answer
    x = 591,527,028.90

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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.