Home / 1,328,604,003.30-1,992,906,004.95-454,914,999.30

Finding the Fourth Proportional to 1,328,604,003.30, 1,992,906,004.95 and 454,914,999.30

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Solution

The fourth proportional to 1,328,604,003.30, 1,992,906,004.95 and 454,914,999.30 is: 682,372,498.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,604,003.30 : 1,992,906,004.95 = 454,914,999.30 : x
  2. Step 2: Convert to fraction form
    1,328,604,003.30/1,992,906,004.95 = 454,914,999.30/x
  3. Step 3: Cross multiply
    1,328,604,003.30x = 1,992,906,004.95 × 454,914,999.30
  4. Step 4: Simplify right side
    1,328,604,003.30x = 906,602,833,846,795,136
  5. Step 5: Solve for x
    x = 906,602,833,846,795,136/1,328,604,003.30
  6. Step 6: Final answer
    x = 682,372,498.95

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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.