Home / 727,443,685.12-1,091,855,377.68-450,256,432.36

Finding the Fourth Proportional to 727,443,685.12, 1,091,855,377.68 and 450,256,432.36

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Solution

The fourth proportional to 727,443,685.12, 1,091,855,377.68 and 450,256,432.36 is: 675,811,636.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,443,685.12 : 1,091,855,377.68 = 450,256,432.36 : x
  2. Step 2: Convert to fraction form
    727,443,685.12/1,091,855,377.68 = 450,256,432.36/x
  3. Step 3: Cross multiply
    727,443,685.12x = 1,091,855,377.68 × 450,256,432.36
  4. Step 4: Simplify right side
    727,443,685.12x = 491,614,907,007,277,248
  5. Step 5: Solve for x
    x = 491,614,907,007,277,248/727,443,685.12
  6. Step 6: Final answer
    x = 675,811,636.09

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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.