Home / 206,986,428,501.40-310,479,642,752.10-171,653,679,904.60

Finding the Fourth Proportional to 206,986,428,501.40, 310,479,642,752.10 and 171,653,679,904.60

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Solution

The fourth proportional to 206,986,428,501.40, 310,479,642,752.10 and 171,653,679,904.60 is: 257,480,519,856.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,986,428,501.40 : 310,479,642,752.10 = 171,653,679,904.60 : x
  2. Step 2: Convert to fraction form
    206,986,428,501.40/310,479,642,752.10 = 171,653,679,904.60/x
  3. Step 3: Cross multiply
    206,986,428,501.40x = 310,479,642,752.10 × 171,653,679,904.60
  4. Step 4: Simplify right side
    206,986,428,501.40x = 53,294,973,213,863,535,706,112
  5. Step 5: Solve for x
    x = 53,294,973,213,863,535,706,112/206,986,428,501.40
  6. Step 6: Final answer
    x = 257,480,519,856.90

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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.