Home / 299,558,867.80-449,338,301.70-247,602,746.20

Finding the Fourth Proportional to 299,558,867.80, 449,338,301.70 and 247,602,746.20

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Solution

The fourth proportional to 299,558,867.80, 449,338,301.70 and 247,602,746.20 is: 371,404,119.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,558,867.80 : 449,338,301.70 = 247,602,746.20 : x
  2. Step 2: Convert to fraction form
    299,558,867.80/449,338,301.70 = 247,602,746.20/x
  3. Step 3: Cross multiply
    299,558,867.80x = 449,338,301.70 × 247,602,746.20
  4. Step 4: Simplify right side
    299,558,867.80x = 111,257,397,473,764,128
  5. Step 5: Solve for x
    x = 111,257,397,473,764,128/299,558,867.80
  6. Step 6: Final answer
    x = 371,404,119.30

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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.