Home / 1,121,931,707.20-1,682,926,429.20-531,583,424.80

Finding the Fourth Proportional to 1,121,931,707.20, 1,682,926,429.20 and 531,583,424.80

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Solution

The fourth proportional to 1,121,931,707.20, 1,682,926,429.20 and 531,583,424.80 is: 797,388,815.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,931,707.20 : 1,682,926,429.20 = 531,583,424.80 : x
  2. Step 2: Convert to fraction form
    1,121,931,707.20/1,682,926,429.20 = 531,583,424.80/x
  3. Step 3: Cross multiply
    1,121,931,707.20x = 1,682,926,429.20 × 531,583,424.80
  4. Step 4: Simplify right side
    1,121,931,707.20x = 894,615,794,920,570,752
  5. Step 5: Solve for x
    x = 894,615,794,920,570,752/1,121,931,707.20
  6. Step 6: Final answer
    x = 797,388,815.36

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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.