Home / 523,328,827.42-722,198,624.64-288,387,895.24

Finding the Fourth Proportional to 523,328,827.42, 722,198,624.64 and 288,387,895.24

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Solution

The fourth proportional to 523,328,827.42, 722,198,624.64 and 288,387,895.24 is: 397,977,964.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,328,827.42 : 722,198,624.64 = 288,387,895.24 : x
  2. Step 2: Convert to fraction form
    523,328,827.42/722,198,624.64 = 288,387,895.24/x
  3. Step 3: Cross multiply
    523,328,827.42x = 722,198,624.64 × 288,387,895.24
  4. Step 4: Simplify right side
    523,328,827.42x = 208,273,341,301,541,408
  5. Step 5: Solve for x
    x = 208,273,341,301,541,408/523,328,827.42
  6. Step 6: Final answer
    x = 397,977,964.12

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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.