Home / 522,982,816.02-721,748,926.98-288,033,414.22

Finding the Fourth Proportional to 522,982,816.02, 721,748,926.98 and 288,033,414.22

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Solution

The fourth proportional to 522,982,816.02, 721,748,926.98 and 288,033,414.22 is: 397,504,088.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,982,816.02 : 721,748,926.98 = 288,033,414.22 : x
  2. Step 2: Convert to fraction form
    522,982,816.02/721,748,926.98 = 288,033,414.22/x
  3. Step 3: Cross multiply
    522,982,816.02x = 721,748,926.98 × 288,033,414.22
  4. Step 4: Simplify right side
    522,982,816.02x = 207,887,807,647,670,912
  5. Step 5: Solve for x
    x = 207,887,807,647,670,912/522,982,816.02
  6. Step 6: Final answer
    x = 397,504,088.62

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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.