Home / 758,542,723.28-1,137,814,527.20-213,284,257.28

Finding the Fourth Proportional to 758,542,723.28, 1,137,814,527.20 and 213,284,257.28

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Solution

The fourth proportional to 758,542,723.28, 1,137,814,527.20 and 213,284,257.28 is: 319,926,510.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,542,723.28 : 1,137,814,527.20 = 213,284,257.28 : x
  2. Step 2: Convert to fraction form
    758,542,723.28/1,137,814,527.20 = 213,284,257.28/x
  3. Step 3: Cross multiply
    758,542,723.28x = 1,137,814,527.20 × 213,284,257.28
  4. Step 4: Simplify right side
    758,542,723.28x = 242,677,926,356,246,368
  5. Step 5: Solve for x
    x = 242,677,926,356,246,368/758,542,723.28
  6. Step 6: Final answer
    x = 319,926,510.28

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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.