Home / 727,964,587.80-1,091,839,247.28-267,795,140.31

Finding the Fourth Proportional to 727,964,587.80, 1,091,839,247.28 and 267,795,140.31

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Solution

The fourth proportional to 727,964,587.80, 1,091,839,247.28 and 267,795,140.31 is: 401,653,115.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,964,587.80 : 1,091,839,247.28 = 267,795,140.31 : x
  2. Step 2: Convert to fraction form
    727,964,587.80/1,091,839,247.28 = 267,795,140.31/x
  3. Step 3: Cross multiply
    727,964,587.80x = 1,091,839,247.28 × 267,795,140.31
  4. Step 4: Simplify right side
    727,964,587.80x = 292,389,244,421,312,384
  5. Step 5: Solve for x
    x = 292,389,244,421,312,384/727,964,587.80
  6. Step 6: Final answer
    x = 401,653,115.17

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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.