Home / 373,250,470.20-559,875,705.30-209,319,948.60

Finding the Fourth Proportional to 373,250,470.20, 559,875,705.30 and 209,319,948.60

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Solution

The fourth proportional to 373,250,470.20, 559,875,705.30 and 209,319,948.60 is: 313,979,922.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,250,470.20 : 559,875,705.30 = 209,319,948.60 : x
  2. Step 2: Convert to fraction form
    373,250,470.20/559,875,705.30 = 209,319,948.60/x
  3. Step 3: Cross multiply
    373,250,470.20x = 559,875,705.30 × 209,319,948.60
  4. Step 4: Simplify right side
    373,250,470.20x = 117,193,153,855,784,736
  5. Step 5: Solve for x
    x = 117,193,153,855,784,736/373,250,470.20
  6. Step 6: Final answer
    x = 313,979,922.90

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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.