Home / 748,014,766.80-1,122,022,150.20-202,756,300.80

Finding the Fourth Proportional to 748,014,766.80, 1,122,022,150.20 and 202,756,300.80

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Solution

The fourth proportional to 748,014,766.80, 1,122,022,150.20 and 202,756,300.80 is: 304,134,451.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,014,766.80 : 1,122,022,150.20 = 202,756,300.80 : x
  2. Step 2: Convert to fraction form
    748,014,766.80/1,122,022,150.20 = 202,756,300.80/x
  3. Step 3: Cross multiply
    748,014,766.80x = 1,122,022,150.20 × 202,756,300.80
  4. Step 4: Simplify right side
    748,014,766.80x = 227,497,060,590,214,016
  5. Step 5: Solve for x
    x = 227,497,060,590,214,016/748,014,766.80
  6. Step 6: Final answer
    x = 304,134,451.20

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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.