Home / 323,525,334.30-485,288,001.45-242,903,766.30

Finding the Fourth Proportional to 323,525,334.30, 485,288,001.45 and 242,903,766.30

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Solution

The fourth proportional to 323,525,334.30, 485,288,001.45 and 242,903,766.30 is: 364,355,649.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,525,334.30 : 485,288,001.45 = 242,903,766.30 : x
  2. Step 2: Convert to fraction form
    323,525,334.30/485,288,001.45 = 242,903,766.30/x
  3. Step 3: Cross multiply
    323,525,334.30x = 485,288,001.45 × 242,903,766.30
  4. Step 4: Simplify right side
    323,525,334.30x = 117,878,283,292,404,864
  5. Step 5: Solve for x
    x = 117,878,283,292,404,864/323,525,334.30
  6. Step 6: Final answer
    x = 364,355,649.45

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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.