Home / 522,982,799.37-721,748,904.00-288,033,400.31

Finding the Fourth Proportional to 522,982,799.37, 721,748,904.00 and 288,033,400.31

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Solution

The fourth proportional to 522,982,799.37, 721,748,904.00 and 288,033,400.31 is: 397,504,069.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,982,799.37 : 721,748,904.00 = 288,033,400.31 : x
  2. Step 2: Convert to fraction form
    522,982,799.37/721,748,904.00 = 288,033,400.31/x
  3. Step 3: Cross multiply
    522,982,799.37x = 721,748,904.00 × 288,033,400.31
  4. Step 4: Simplify right side
    522,982,799.37x = 207,887,790,984,455,520
  5. Step 5: Solve for x
    x = 207,887,790,984,455,520/522,982,799.37
  6. Step 6: Final answer
    x = 397,504,069.42

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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.