Home / 347,641,125.20-520,705,860.60-211,088,344.40

Finding the Fourth Proportional to 347,641,125.20, 520,705,860.60 and 211,088,344.40

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Solution

The fourth proportional to 347,641,125.20, 520,705,860.60 and 211,088,344.40 is: 316,173,576.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,641,125.20 : 520,705,860.60 = 211,088,344.40 : x
  2. Step 2: Convert to fraction form
    347,641,125.20/520,705,860.60 = 211,088,344.40/x
  3. Step 3: Cross multiply
    347,641,125.20x = 520,705,860.60 × 211,088,344.40
  4. Step 4: Simplify right side
    347,641,125.20x = 109,914,938,033,431,200
  5. Step 5: Solve for x
    x = 109,914,938,033,431,200/347,641,125.20
  6. Step 6: Final answer
    x = 316,173,576.90

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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.