Home / 661,648,438.29-992,580,465.57-195,356,997.84

Finding the Fourth Proportional to 661,648,438.29, 992,580,465.57 and 195,356,997.84

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Solution

The fourth proportional to 661,648,438.29, 992,580,465.57 and 195,356,997.84 is: 293,067,327.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,648,438.29 : 992,580,465.57 = 195,356,997.84 : x
  2. Step 2: Convert to fraction form
    661,648,438.29/992,580,465.57 = 195,356,997.84/x
  3. Step 3: Cross multiply
    661,648,438.29x = 992,580,465.57 × 195,356,997.84
  4. Step 4: Simplify right side
    661,648,438.29x = 193,907,539,866,885,920
  5. Step 5: Solve for x
    x = 193,907,539,866,885,920/661,648,438.29
  6. Step 6: Final answer
    x = 293,067,327.97

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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.