Home / 383,012,212.80-574,518,319.20-266,110,939.20

Finding the Fourth Proportional to 383,012,212.80, 574,518,319.20 and 266,110,939.20

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Solution

The fourth proportional to 383,012,212.80, 574,518,319.20 and 266,110,939.20 is: 399,166,408.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,012,212.80 : 574,518,319.20 = 266,110,939.20 : x
  2. Step 2: Convert to fraction form
    383,012,212.80/574,518,319.20 = 266,110,939.20/x
  3. Step 3: Cross multiply
    383,012,212.80x = 574,518,319.20 × 266,110,939.20
  4. Step 4: Simplify right side
    383,012,212.80x = 152,885,609,509,917,408
  5. Step 5: Solve for x
    x = 152,885,609,509,917,408/383,012,212.80
  6. Step 6: Final answer
    x = 399,166,408.80

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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.