Home / 522,982,812.03-721,748,921.46-288,033,410.23

Finding the Fourth Proportional to 522,982,812.03, 721,748,921.46 and 288,033,410.23

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Solution

The fourth proportional to 522,982,812.03, 721,748,921.46 and 288,033,410.23 is: 397,504,083.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,982,812.03 : 721,748,921.46 = 288,033,410.23 : x
  2. Step 2: Convert to fraction form
    522,982,812.03/721,748,921.46 = 288,033,410.23/x
  3. Step 3: Cross multiply
    522,982,812.03x = 721,748,921.46 × 288,033,410.23
  4. Step 4: Simplify right side
    522,982,812.03x = 207,887,803,176,682,496
  5. Step 5: Solve for x
    x = 207,887,803,176,682,496/522,982,812.03
  6. Step 6: Final answer
    x = 397,504,083.11

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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.