Home / 681,881,814.60-941,252,801.08-446,947,615.12

Finding the Fourth Proportional to 681,881,814.60, 941,252,801.08 and 446,947,615.12

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Solution

The fourth proportional to 681,881,814.60, 941,252,801.08 and 446,947,615.12 is: 616,955,439.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,881,814.60 : 941,252,801.08 = 446,947,615.12 : x
  2. Step 2: Convert to fraction form
    681,881,814.60/941,252,801.08 = 446,947,615.12/x
  3. Step 3: Cross multiply
    681,881,814.60x = 941,252,801.08 × 446,947,615.12
  4. Step 4: Simplify right side
    681,881,814.60x = 420,690,694,667,725,760
  5. Step 5: Solve for x
    x = 420,690,694,667,725,760/681,881,814.60
  6. Step 6: Final answer
    x = 616,955,439.58

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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.