Home / 727,443,686.12-1,091,855,379.18-450,256,433.36

Finding the Fourth Proportional to 727,443,686.12, 1,091,855,379.18 and 450,256,433.36

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Solution

The fourth proportional to 727,443,686.12, 1,091,855,379.18 and 450,256,433.36 is: 675,811,637.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,443,686.12 : 1,091,855,379.18 = 450,256,433.36 : x
  2. Step 2: Convert to fraction form
    727,443,686.12/1,091,855,379.18 = 450,256,433.36/x
  3. Step 3: Cross multiply
    727,443,686.12x = 1,091,855,379.18 × 450,256,433.36
  4. Step 4: Simplify right side
    727,443,686.12x = 491,614,908,774,517,248
  5. Step 5: Solve for x
    x = 491,614,908,774,517,248/727,443,686.12
  6. Step 6: Final answer
    x = 675,811,637.59

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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.