Home / 523,222,307.38-722,046,455.20-288,272,965.51

Finding the Fourth Proportional to 523,222,307.38, 722,046,455.20 and 288,272,965.51

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Solution

The fourth proportional to 523,222,307.38, 722,046,455.20 and 288,272,965.51 is: 397,816,511.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,222,307.38 : 722,046,455.20 = 288,272,965.51 : x
  2. Step 2: Convert to fraction form
    523,222,307.38/722,046,455.20 = 288,272,965.51/x
  3. Step 3: Cross multiply
    523,222,307.38x = 722,046,455.20 × 288,272,965.51
  4. Step 4: Simplify right side
    523,222,307.38x = 208,146,472,876,487,360
  5. Step 5: Solve for x
    x = 208,146,472,876,487,360/523,222,307.38
  6. Step 6: Final answer
    x = 397,816,511.15

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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.