Home / 71,194,294,308.72-98,248,233,767.40-38,641,519,628.76

Finding the Fourth Proportional to 71,194,294,308.72, 98,248,233,767.40 and 38,641,519,628.76

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Solution

The fourth proportional to 71,194,294,308.72, 98,248,233,767.40 and 38,641,519,628.76 is: 53,325,355,500.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,194,294,308.72 : 98,248,233,767.40 = 38,641,519,628.76 : x
  2. Step 2: Convert to fraction form
    71,194,294,308.72/98,248,233,767.40 = 38,641,519,628.76/x
  3. Step 3: Cross multiply
    71,194,294,308.72x = 98,248,233,767.40 × 38,641,519,628.76
  4. Step 4: Simplify right side
    71,194,294,308.72x = 3,796,461,053,613,987,856,384
  5. Step 5: Solve for x
    x = 3,796,461,053,613,987,856,384/71,194,294,308.72
  6. Step 6: Final answer
    x = 53,325,355,500.42

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Double scale
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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.