Home / 1,004,309,638.88-1,506,436,610.54-267,385,865.72

Finding the Fourth Proportional to 1,004,309,638.88, 1,506,436,610.54 and 267,385,865.72

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Solution

The fourth proportional to 1,004,309,638.88, 1,506,436,610.54 and 267,385,865.72 is: 401,071,384.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,309,638.88 : 1,506,436,610.54 = 267,385,865.72 : x
  2. Step 2: Convert to fraction form
    1,004,309,638.88/1,506,436,610.54 = 267,385,865.72/x
  3. Step 3: Cross multiply
    1,004,309,638.88x = 1,506,436,610.54 × 267,385,865.72
  4. Step 4: Simplify right side
    1,004,309,638.88x = 402,799,857,261,540,352
  5. Step 5: Solve for x
    x = 402,799,857,261,540,352/1,004,309,638.88
  6. Step 6: Final answer
    x = 401,071,384.43

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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.