Home / 347,295,909.20-520,495,966.20-266,114,469.20

Finding the Fourth Proportional to 347,295,909.20, 520,495,966.20 and 266,114,469.20

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Solution

The fourth proportional to 347,295,909.20, 520,495,966.20 and 266,114,469.20 is: 398,828,503.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,295,909.20 : 520,495,966.20 = 266,114,469.20 : x
  2. Step 2: Convert to fraction form
    347,295,909.20/520,495,966.20 = 266,114,469.20/x
  3. Step 3: Cross multiply
    347,295,909.20x = 520,495,966.20 × 266,114,469.20
  4. Step 4: Simplify right side
    347,295,909.20x = 138,511,507,766,054,128
  5. Step 5: Solve for x
    x = 138,511,507,766,054,128/347,295,909.20
  6. Step 6: Final answer
    x = 398,828,503.58

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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.