Home / 272,875,505.20-409,313,257.80-251,830,441.60

Finding the Fourth Proportional to 272,875,505.20, 409,313,257.80 and 251,830,441.60

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Solution

The fourth proportional to 272,875,505.20, 409,313,257.80 and 251,830,441.60 is: 377,745,662.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,875,505.20 : 409,313,257.80 = 251,830,441.60 : x
  2. Step 2: Convert to fraction form
    272,875,505.20/409,313,257.80 = 251,830,441.60/x
  3. Step 3: Cross multiply
    272,875,505.20x = 409,313,257.80 × 251,830,441.60
  4. Step 4: Simplify right side
    272,875,505.20x = 103,077,538,464,508,640
  5. Step 5: Solve for x
    x = 103,077,538,464,508,640/272,875,505.20
  6. Step 6: Final answer
    x = 377,745,662.40

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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.