Home / 752,970,725.80-1,039,124,833.19-418,457,344.58

Finding the Fourth Proportional to 752,970,725.80, 1,039,124,833.19 and 418,457,344.58

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Solution

The fourth proportional to 752,970,725.80, 1,039,124,833.19 and 418,457,344.58 is: 577,485,157.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,970,725.80 : 1,039,124,833.19 = 418,457,344.58 : x
  2. Step 2: Convert to fraction form
    752,970,725.80/1,039,124,833.19 = 418,457,344.58/x
  3. Step 3: Cross multiply
    752,970,725.80x = 1,039,124,833.19 × 418,457,344.58
  4. Step 4: Simplify right side
    752,970,725.80x = 434,829,418,383,822,848
  5. Step 5: Solve for x
    x = 434,829,418,383,822,848/752,970,725.80
  6. Step 6: Final answer
    x = 577,485,157.77

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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.