Home / 206,986,428,000.90-310,479,642,001.35-171,653,679,404.10

Finding the Fourth Proportional to 206,986,428,000.90, 310,479,642,001.35 and 171,653,679,404.10

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Solution

The fourth proportional to 206,986,428,000.90, 310,479,642,001.35 and 171,653,679,404.10 is: 257,480,519,106.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,986,428,000.90 : 310,479,642,001.35 = 171,653,679,404.10 : x
  2. Step 2: Convert to fraction form
    206,986,428,000.90/310,479,642,001.35 = 171,653,679,404.10/x
  3. Step 3: Cross multiply
    206,986,428,000.90x = 310,479,642,001.35 × 171,653,679,404.10
  4. Step 4: Simplify right side
    206,986,428,000.90x = 53,294,972,929,599,472,664,576
  5. Step 5: Solve for x
    x = 53,294,972,929,599,472,664,576/206,986,428,000.90
  6. Step 6: Final answer
    x = 257,480,519,106.15

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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.