Home / 299,560,549.80-449,340,824.70-127,007,999.40

Finding the Fourth Proportional to 299,560,549.80, 449,340,824.70 and 127,007,999.40

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Solution

The fourth proportional to 299,560,549.80, 449,340,824.70 and 127,007,999.40 is: 190,511,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,560,549.80 : 449,340,824.70 = 127,007,999.40 : x
  2. Step 2: Convert to fraction form
    299,560,549.80/449,340,824.70 = 127,007,999.40/x
  3. Step 3: Cross multiply
    299,560,549.80x = 449,340,824.70 × 127,007,999.40
  4. Step 4: Simplify right side
    299,560,549.80x = 57,069,879,193,893,104
  5. Step 5: Solve for x
    x = 57,069,879,193,893,104/299,560,549.80
  6. Step 6: Final answer
    x = 190,511,999.10

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1.5x scale

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.