Home / 71,142,302,724.54-98,175,796,679.58-38,589,434,884.52

Finding the Fourth Proportional to 71,142,302,724.54, 98,175,796,679.58 and 38,589,434,884.52

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Solution

The fourth proportional to 71,142,302,724.54, 98,175,796,679.58 and 38,589,434,884.52 is: 53,253,104,947.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,142,302,724.54 : 98,175,796,679.58 = 38,589,434,884.52 : x
  2. Step 2: Convert to fraction form
    71,142,302,724.54/98,175,796,679.58 = 38,589,434,884.52/x
  3. Step 3: Cross multiply
    71,142,302,724.54x = 98,175,796,679.58 × 38,589,434,884.52
  4. Step 4: Simplify right side
    71,142,302,724.54x = 3,788,548,513,202,526,748,672
  5. Step 5: Solve for x
    x = 3,788,548,513,202,526,748,672/71,142,302,724.54
  6. Step 6: Final answer
    x = 53,253,104,947.58

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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.