Home / 523,328,828.42-722,198,626.02-288,387,896.24

Finding the Fourth Proportional to 523,328,828.42, 722,198,626.02 and 288,387,896.24

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Solution

The fourth proportional to 523,328,828.42, 722,198,626.02 and 288,387,896.24 is: 397,977,965.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,328,828.42 : 722,198,626.02 = 288,387,896.24 : x
  2. Step 2: Convert to fraction form
    523,328,828.42/722,198,626.02 = 288,387,896.24/x
  3. Step 3: Cross multiply
    523,328,828.42x = 722,198,626.02 × 288,387,896.24
  4. Step 4: Simplify right side
    523,328,828.42x = 208,273,342,425,326,336
  5. Step 5: Solve for x
    x = 208,273,342,425,326,336/523,328,828.42
  6. Step 6: Final answer
    x = 397,977,965.51

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.