Home / 754,447,029.60-1,131,670,544.40-718,734,194.40

Finding the Fourth Proportional to 754,447,029.60, 1,131,670,544.40 and 718,734,194.40

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Solution

The fourth proportional to 754,447,029.60, 1,131,670,544.40 and 718,734,194.40 is: 1,078,101,291.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,447,029.60 : 1,131,670,544.40 = 718,734,194.40 : x
  2. Step 2: Convert to fraction form
    754,447,029.60/1,131,670,544.40 = 718,734,194.40/x
  3. Step 3: Cross multiply
    754,447,029.60x = 1,131,670,544.40 × 718,734,194.40
  4. Step 4: Simplify right side
    754,447,029.60x = 813,370,317,055,543,424
  5. Step 5: Solve for x
    x = 813,370,317,055,543,424/754,447,029.60
  6. Step 6: Final answer
    x = 1,078,101,291.60

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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.