Home / 310,065,313,354.48-427,969,745,581.98-201,947,829,659.56

Finding the Fourth Proportional to 310,065,313,354.48, 427,969,745,581.98 and 201,947,829,659.56

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Solution

The fourth proportional to 310,065,313,354.48, 427,969,745,581.98 and 201,947,829,659.56 is: 278,739,857,564.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,065,313,354.48 : 427,969,745,581.98 = 201,947,829,659.56 : x
  2. Step 2: Convert to fraction form
    310,065,313,354.48/427,969,745,581.98 = 201,947,829,659.56/x
  3. Step 3: Cross multiply
    310,065,313,354.48x = 427,969,745,581.98 × 201,947,829,659.56
  4. Step 4: Simplify right side
    310,065,313,354.48x = 86,427,561,280,234,930,044,928
  5. Step 5: Solve for x
    x = 86,427,561,280,234,930,044,928/310,065,313,354.48
  6. Step 6: Final answer
    x = 278,739,857,564.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.