Home / 1,119,753,003.60-1,679,629,505.40-343,518,469.20

Finding the Fourth Proportional to 1,119,753,003.60, 1,679,629,505.40 and 343,518,469.20

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Solution

The fourth proportional to 1,119,753,003.60, 1,679,629,505.40 and 343,518,469.20 is: 515,277,703.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,753,003.60 : 1,679,629,505.40 = 343,518,469.20 : x
  2. Step 2: Convert to fraction form
    1,119,753,003.60/1,679,629,505.40 = 343,518,469.20/x
  3. Step 3: Cross multiply
    1,119,753,003.60x = 1,679,629,505.40 × 343,518,469.20
  4. Step 4: Simplify right side
    1,119,753,003.60x = 576,983,756,518,161,152
  5. Step 5: Solve for x
    x = 576,983,756,518,161,152/1,119,753,003.60
  6. Step 6: Final answer
    x = 515,277,703.80

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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.