Home / 2,195,099,965.78-3,029,240,860.41-1,191,516,881.56

Finding the Fourth Proportional to 2,195,099,965.78, 3,029,240,860.41 and 1,191,516,881.56

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Solution

The fourth proportional to 2,195,099,965.78, 3,029,240,860.41 and 1,191,516,881.56 is: 1,644,294,874.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195,099,965.78 : 3,029,240,860.41 = 1,191,516,881.56 : x
  2. Step 2: Convert to fraction form
    2,195,099,965.78/3,029,240,860.41 = 1,191,516,881.56/x
  3. Step 3: Cross multiply
    2,195,099,965.78x = 3,029,240,860.41 × 1,191,516,881.56
  4. Step 4: Simplify right side
    2,195,099,965.78x = 3,609,391,623,486,808,576
  5. Step 5: Solve for x
    x = 3,609,391,623,486,808,576/2,195,099,965.78
  6. Step 6: Final answer
    x = 1,644,294,874.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.