Home / 383,013,520.80-574,520,281.20-266,112,247.20

Finding the Fourth Proportional to 383,013,520.80, 574,520,281.20 and 266,112,247.20

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Solution

The fourth proportional to 383,013,520.80, 574,520,281.20 and 266,112,247.20 is: 399,168,370.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,013,520.80 : 574,520,281.20 = 266,112,247.20 : x
  2. Step 2: Convert to fraction form
    383,013,520.80/574,520,281.20 = 266,112,247.20/x
  3. Step 3: Cross multiply
    383,013,520.80x = 574,520,281.20 × 266,112,247.20
  4. Step 4: Simplify right side
    383,013,520.80x = 152,886,883,092,107,904
  5. Step 5: Solve for x
    x = 152,886,883,092,107,904/383,013,520.80
  6. Step 6: Final answer
    x = 399,168,370.80

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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.