Home / 752,397,568.95-1,038,247,892.97-434,878,383.84

Finding the Fourth Proportional to 752,397,568.95, 1,038,247,892.97 and 434,878,383.84

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Solution

The fourth proportional to 752,397,568.95, 1,038,247,892.97 and 434,878,383.84 is: 600,097,055.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,397,568.95 : 1,038,247,892.97 = 434,878,383.84 : x
  2. Step 2: Convert to fraction form
    752,397,568.95/1,038,247,892.97 = 434,878,383.84/x
  3. Step 3: Cross multiply
    752,397,568.95x = 1,038,247,892.97 × 434,878,383.84
  4. Step 4: Simplify right side
    752,397,568.95x = 451,511,565,720,078,912
  5. Step 5: Solve for x
    x = 451,511,565,720,078,912/752,397,568.95
  6. Step 6: Final answer
    x = 600,097,055.54

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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.