Home / 631,069,067.28-946,651,181.94-188,376,776.96

Finding the Fourth Proportional to 631,069,067.28, 946,651,181.94 and 188,376,776.96

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Solution

The fourth proportional to 631,069,067.28, 946,651,181.94 and 188,376,776.96 is: 282,579,368.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,069,067.28 : 946,651,181.94 = 188,376,776.96 : x
  2. Step 2: Convert to fraction form
    631,069,067.28/946,651,181.94 = 188,376,776.96/x
  3. Step 3: Cross multiply
    631,069,067.28x = 946,651,181.94 × 188,376,776.96
  4. Step 4: Simplify right side
    631,069,067.28x = 178,327,098,561,598,400
  5. Step 5: Solve for x
    x = 178,327,098,561,598,400/631,069,067.28
  6. Step 6: Final answer
    x = 282,579,368.58

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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.