Home / 71,142,302,731.56-98,175,796,689.24-38,589,434,891.55

Finding the Fourth Proportional to 71,142,302,731.56, 98,175,796,689.24 and 38,589,434,891.55

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Solution

The fourth proportional to 71,142,302,731.56, 98,175,796,689.24 and 38,589,434,891.55 is: 53,253,104,957.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,142,302,731.56 : 98,175,796,689.24 = 38,589,434,891.55 : x
  2. Step 2: Convert to fraction form
    71,142,302,731.56/98,175,796,689.24 = 38,589,434,891.55/x
  3. Step 3: Cross multiply
    71,142,302,731.56x = 98,175,796,689.24 × 38,589,434,891.55
  4. Step 4: Simplify right side
    71,142,302,731.56x = 3,788,548,514,265,477,677,056
  5. Step 5: Solve for x
    x = 3,788,548,514,265,477,677,056/71,142,302,731.56
  6. Step 6: Final answer
    x = 53,253,104,957.27

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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.