Home / 727,311,139.20-1,090,966,708.80-267,579,244.80

Finding the Fourth Proportional to 727,311,139.20, 1,090,966,708.80 and 267,579,244.80

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Solution

The fourth proportional to 727,311,139.20, 1,090,966,708.80 and 267,579,244.80 is: 401,368,867.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,311,139.20 : 1,090,966,708.80 = 267,579,244.80 : x
  2. Step 2: Convert to fraction form
    727,311,139.20/1,090,966,708.80 = 267,579,244.80/x
  3. Step 3: Cross multiply
    727,311,139.20x = 1,090,966,708.80 × 267,579,244.80
  4. Step 4: Simplify right side
    727,311,139.20x = 291,920,048,042,645,504
  5. Step 5: Solve for x
    x = 291,920,048,042,645,504/727,311,139.20
  6. Step 6: Final answer
    x = 401,368,867.20

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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.