Home / 752,148,896.96-1,127,629,968.88-475,216,393.36

Finding the Fourth Proportional to 752,148,896.96, 1,127,629,968.88 and 475,216,393.36

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Solution

The fourth proportional to 752,148,896.96, 1,127,629,968.88 and 475,216,393.36 is: 712,449,687.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,148,896.96 : 1,127,629,968.88 = 475,216,393.36 : x
  2. Step 2: Convert to fraction form
    752,148,896.96/1,127,629,968.88 = 475,216,393.36/x
  3. Step 3: Cross multiply
    752,148,896.96x = 1,127,629,968.88 × 475,216,393.36
  4. Step 4: Simplify right side
    752,148,896.96x = 535,868,246,855,802,688
  5. Step 5: Solve for x
    x = 535,868,246,855,802,688/752,148,896.96
  6. Step 6: Final answer
    x = 712,449,687.85

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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.