Home / 885,735,995.20-1,328,603,992.80-303,276,659.20

Finding the Fourth Proportional to 885,735,995.20, 1,328,603,992.80 and 303,276,659.20

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Solution

The fourth proportional to 885,735,995.20, 1,328,603,992.80 and 303,276,659.20 is: 454,914,988.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,735,995.20 : 1,328,603,992.80 = 303,276,659.20 : x
  2. Step 2: Convert to fraction form
    885,735,995.20/1,328,603,992.80 = 303,276,659.20/x
  3. Step 3: Cross multiply
    885,735,995.20x = 1,328,603,992.80 × 303,276,659.20
  4. Step 4: Simplify right side
    885,735,995.20x = 402,934,580,336,164,800
  5. Step 5: Solve for x
    x = 402,934,580,336,164,800/885,735,995.20
  6. Step 6: Final answer
    x = 454,914,988.80

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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.