Home / 285,667,575,760.28-394,221,318,896.69-157,209,024,377.39

Finding the Fourth Proportional to 285,667,575,760.28, 394,221,318,896.69 and 157,209,024,377.39

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Solution

The fourth proportional to 285,667,575,760.28, 394,221,318,896.69 and 157,209,024,377.39 is: 216,948,489,052.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,667,575,760.28 : 394,221,318,896.69 = 157,209,024,377.39 : x
  2. Step 2: Convert to fraction form
    285,667,575,760.28/394,221,318,896.69 = 157,209,024,377.39/x
  3. Step 3: Cross multiply
    285,667,575,760.28x = 394,221,318,896.69 × 157,209,024,377.39
  4. Step 4: Simplify right side
    285,667,575,760.28x = 61,975,148,932,516,584,357,888
  5. Step 5: Solve for x
    x = 61,975,148,932,516,584,357,888/285,667,575,760.28
  6. Step 6: Final answer
    x = 216,948,489,052.62

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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.