Home / 426,352,806.40-639,529,209.60-244,954,278.40

Finding the Fourth Proportional to 426,352,806.40, 639,529,209.60 and 244,954,278.40

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Solution

The fourth proportional to 426,352,806.40, 639,529,209.60 and 244,954,278.40 is: 367,431,417.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,352,806.40 : 639,529,209.60 = 244,954,278.40 : x
  2. Step 2: Convert to fraction form
    426,352,806.40/639,529,209.60 = 244,954,278.40/x
  3. Step 3: Cross multiply
    426,352,806.40x = 639,529,209.60 × 244,954,278.40
  4. Step 4: Simplify right side
    426,352,806.40x = 156,655,416,053,290,368
  5. Step 5: Solve for x
    x = 156,655,416,053,290,368/426,352,806.40
  6. Step 6: Final answer
    x = 367,431,417.60

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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.