Home / 314,496,262.20-471,744,393.30-259,013,821.80

Finding the Fourth Proportional to 314,496,262.20, 471,744,393.30 and 259,013,821.80

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Solution

The fourth proportional to 314,496,262.20, 471,744,393.30 and 259,013,821.80 is: 388,520,732.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,496,262.20 : 471,744,393.30 = 259,013,821.80 : x
  2. Step 2: Convert to fraction form
    314,496,262.20/471,744,393.30 = 259,013,821.80/x
  3. Step 3: Cross multiply
    314,496,262.20x = 471,744,393.30 × 259,013,821.80
  4. Step 4: Simplify right side
    314,496,262.20x = 122,188,318,221,355,328
  5. Step 5: Solve for x
    x = 122,188,318,221,355,328/314,496,262.20
  6. Step 6: Final answer
    x = 388,520,732.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.