Home / 298,862,475.60-448,293,713.40-247,844,139.60

Finding the Fourth Proportional to 298,862,475.60, 448,293,713.40 and 247,844,139.60

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Solution

The fourth proportional to 298,862,475.60, 448,293,713.40 and 247,844,139.60 is: 371,766,209.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,862,475.60 : 448,293,713.40 = 247,844,139.60 : x
  2. Step 2: Convert to fraction form
    298,862,475.60/448,293,713.40 = 247,844,139.60/x
  3. Step 3: Cross multiply
    298,862,475.60x = 448,293,713.40 × 247,844,139.60
  4. Step 4: Simplify right side
    298,862,475.60x = 111,106,969,685,711,984
  5. Step 5: Solve for x
    x = 111,106,969,685,711,984/298,862,475.60
  6. Step 6: Final answer
    x = 371,766,209.40

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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.