Home / 1,328,605,233.30-1,992,907,849.95-454,916,229.30

Finding the Fourth Proportional to 1,328,605,233.30, 1,992,907,849.95 and 454,916,229.30

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Solution

The fourth proportional to 1,328,605,233.30, 1,992,907,849.95 and 454,916,229.30 is: 682,374,343.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,605,233.30 : 1,992,907,849.95 = 454,916,229.30 : x
  2. Step 2: Convert to fraction form
    1,328,605,233.30/1,992,907,849.95 = 454,916,229.30/x
  3. Step 3: Cross multiply
    1,328,605,233.30x = 1,992,907,849.95 × 454,916,229.30
  4. Step 4: Simplify right side
    1,328,605,233.30x = 906,606,124,441,624,192
  5. Step 5: Solve for x
    x = 906,606,124,441,624,192/1,328,605,233.30
  6. Step 6: Final answer
    x = 682,374,343.95

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Half scale
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Double scale
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Similar ratio
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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.