Home / 522,263,133.16-721,757,203.61-428,028,648.19

Finding the Fourth Proportional to 522,263,133.16, 721,757,203.61 and 428,028,648.19

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Solution

The fourth proportional to 522,263,133.16, 721,757,203.61 and 428,028,648.19 is: 591,527,030.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,263,133.16 : 721,757,203.61 = 428,028,648.19 : x
  2. Step 2: Convert to fraction form
    522,263,133.16/721,757,203.61 = 428,028,648.19/x
  3. Step 3: Cross multiply
    522,263,133.16x = 721,757,203.61 × 428,028,648.19
  4. Step 4: Simplify right side
    522,263,133.16x = 308,932,760,182,582,912
  5. Step 5: Solve for x
    x = 308,932,760,182,582,912/522,263,133.16
  6. Step 6: Final answer
    x = 591,527,030.28

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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.