Home / 1,230,093,013.12-1,697,527,251.20-694,357,468.80

Finding the Fourth Proportional to 1,230,093,013.12, 1,697,527,251.20 and 694,357,468.80

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Solution

The fourth proportional to 1,230,093,013.12, 1,697,527,251.20 and 694,357,468.80 is: 958,212,682.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,093,013.12 : 1,697,527,251.20 = 694,357,468.80 : x
  2. Step 2: Convert to fraction form
    1,230,093,013.12/1,697,527,251.20 = 694,357,468.80/x
  3. Step 3: Cross multiply
    1,230,093,013.12x = 1,697,527,251.20 × 694,357,468.80
  4. Step 4: Simplify right side
    1,230,093,013.12x = 1,178,690,725,362,253,824
  5. Step 5: Solve for x
    x = 1,178,690,725,362,253,824/1,230,093,013.12
  6. Step 6: Final answer
    x = 958,212,682.12

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.