Home / 497,680,763.60-746,521,145.40-134,211,861.20

Finding the Fourth Proportional to 497,680,763.60, 746,521,145.40 and 134,211,861.20

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Solution

The fourth proportional to 497,680,763.60, 746,521,145.40 and 134,211,861.20 is: 201,317,791.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,680,763.60 : 746,521,145.40 = 134,211,861.20 : x
  2. Step 2: Convert to fraction form
    497,680,763.60/746,521,145.40 = 134,211,861.20/x
  3. Step 3: Cross multiply
    497,680,763.60x = 746,521,145.40 × 134,211,861.20
  4. Step 4: Simplify right side
    497,680,763.60x = 100,191,992,349,289,824
  5. Step 5: Solve for x
    x = 100,191,992,349,289,824/497,680,763.60
  6. Step 6: Final answer
    x = 201,317,791.80

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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.