Home / 839,809,744.20-1,259,714,616.30-531,432,246.60

Finding the Fourth Proportional to 839,809,744.20, 1,259,714,616.30 and 531,432,246.60

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Solution

The fourth proportional to 839,809,744.20, 1,259,714,616.30 and 531,432,246.60 is: 797,148,369.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,809,744.20 : 1,259,714,616.30 = 531,432,246.60 : x
  2. Step 2: Convert to fraction form
    839,809,744.20/1,259,714,616.30 = 531,432,246.60/x
  3. Step 3: Cross multiply
    839,809,744.20x = 1,259,714,616.30 × 531,432,246.60
  4. Step 4: Simplify right side
    839,809,744.20x = 669,452,968,615,165,952
  5. Step 5: Solve for x
    x = 669,452,968,615,165,952/839,809,744.20
  6. Step 6: Final answer
    x = 797,148,369.90

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1.5x scale

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.