Home / 70,391,725,858.31-97,142,422,740.71-38,278,966,157.24

Finding the Fourth Proportional to 70,391,725,858.31, 97,142,422,740.71 and 38,278,966,157.24

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Solution

The fourth proportional to 70,391,725,858.31, 97,142,422,740.71 and 38,278,966,157.24 is: 52,825,974,461.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,391,725,858.31 : 97,142,422,740.71 = 38,278,966,157.24 : x
  2. Step 2: Convert to fraction form
    70,391,725,858.31/97,142,422,740.71 = 38,278,966,157.24/x
  3. Step 3: Cross multiply
    70,391,725,858.31x = 97,142,422,740.71 × 38,278,966,157.24
  4. Step 4: Simplify right side
    70,391,725,858.31x = 3,718,511,512,523,474,206,720
  5. Step 5: Solve for x
    x = 3,718,511,512,523,474,206,720/70,391,725,858.31
  6. Step 6: Final answer
    x = 52,825,974,461.95

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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.