Home / 523,297,311.11-722,117,751.14-288,334,822.85

Finding the Fourth Proportional to 523,297,311.11, 722,117,751.14 and 288,334,822.85

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Solution

The fourth proportional to 523,297,311.11, 722,117,751.14 and 288,334,822.85 is: 397,884,127.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,297,311.11 : 722,117,751.14 = 288,334,822.85 : x
  2. Step 2: Convert to fraction form
    523,297,311.11/722,117,751.14 = 288,334,822.85/x
  3. Step 3: Cross multiply
    523,297,311.11x = 722,117,751.14 × 288,334,822.85
  4. Step 4: Simplify right side
    523,297,311.11x = 208,211,693,850,350,624
  5. Step 5: Solve for x
    x = 208,211,693,850,350,624/523,297,311.11
  6. Step 6: Final answer
    x = 397,884,127.11

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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.