Home / 206,986,427,999.40-310,479,641,999.10-171,653,679,402.60

Finding the Fourth Proportional to 206,986,427,999.40, 310,479,641,999.10 and 171,653,679,402.60

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Solution

The fourth proportional to 206,986,427,999.40, 310,479,641,999.10 and 171,653,679,402.60 is: 257,480,519,103.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,986,427,999.40 : 310,479,641,999.10 = 171,653,679,402.60 : x
  2. Step 2: Convert to fraction form
    206,986,427,999.40/310,479,641,999.10 = 171,653,679,402.60/x
  3. Step 3: Cross multiply
    206,986,427,999.40x = 310,479,641,999.10 × 171,653,679,402.60
  4. Step 4: Simplify right side
    206,986,427,999.40x = 53,294,972,928,747,534,024,704
  5. Step 5: Solve for x
    x = 53,294,972,928,747,534,024,704/206,986,427,999.40
  6. Step 6: Final answer
    x = 257,480,519,103.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.