Home / 727,678,519.80-1,091,517,779.70-267,521,472.60

Finding the Fourth Proportional to 727,678,519.80, 1,091,517,779.70 and 267,521,472.60

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Solution

The fourth proportional to 727,678,519.80, 1,091,517,779.70 and 267,521,472.60 is: 401,282,208.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,678,519.80 : 1,091,517,779.70 = 267,521,472.60 : x
  2. Step 2: Convert to fraction form
    727,678,519.80/1,091,517,779.70 = 267,521,472.60/x
  3. Step 3: Cross multiply
    727,678,519.80x = 1,091,517,779.70 × 267,521,472.60
  4. Step 4: Simplify right side
    727,678,519.80x = 292,004,443,794,426,368
  5. Step 5: Solve for x
    x = 292,004,443,794,426,368/727,678,519.80
  6. Step 6: Final answer
    x = 401,282,208.90

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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.