Home / 1,340,260,964.20-2,010,580,403.10-420,041,348.20

Finding the Fourth Proportional to 1,340,260,964.20, 2,010,580,403.10 and 420,041,348.20

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Solution

The fourth proportional to 1,340,260,964.20, 2,010,580,403.10 and 420,041,348.20 is: 630,121,241.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,260,964.20 : 2,010,580,403.10 = 420,041,348.20 : x
  2. Step 2: Convert to fraction form
    1,340,260,964.20/2,010,580,403.10 = 420,041,348.20/x
  3. Step 3: Cross multiply
    1,340,260,964.20x = 2,010,580,403.10 × 420,041,348.20
  4. Step 4: Simplify right side
    1,340,260,964.20x = 844,526,903,182,623,360
  5. Step 5: Solve for x
    x = 844,526,903,182,623,360/1,340,260,964.20
  6. Step 6: Final answer
    x = 630,121,241.86

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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.