Home / 752,967,172.12-1,039,217,925.84-627,320,126.84

Finding the Fourth Proportional to 752,967,172.12, 1,039,217,925.84 and 627,320,126.84

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Solution

The fourth proportional to 752,967,172.12, 1,039,217,925.84 and 627,320,126.84 is: 865,804,440.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,967,172.12 : 1,039,217,925.84 = 627,320,126.84 : x
  2. Step 2: Convert to fraction form
    752,967,172.12/1,039,217,925.84 = 627,320,126.84/x
  3. Step 3: Cross multiply
    752,967,172.12x = 1,039,217,925.84 × 627,320,126.84
  4. Step 4: Simplify right side
    752,967,172.12x = 651,922,321,052,350,592
  5. Step 5: Solve for x
    x = 651,922,321,052,350,592/752,967,172.12
  6. Step 6: Final answer
    x = 865,804,440.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.