Home / 2,085,878,524.11-3,128,818,909.70-775,610,324.43

Finding the Fourth Proportional to 2,085,878,524.11, 3,128,818,909.70 and 775,610,324.43

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Solution

The fourth proportional to 2,085,878,524.11, 3,128,818,909.70 and 775,610,324.43 is: 1,163,415,904.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,085,878,524.11 : 3,128,818,909.70 = 775,610,324.43 : x
  2. Step 2: Convert to fraction form
    2,085,878,524.11/3,128,818,909.70 = 775,610,324.43/x
  3. Step 3: Cross multiply
    2,085,878,524.11x = 3,128,818,909.70 × 775,610,324.43
  4. Step 4: Simplify right side
    2,085,878,524.11x = 2,426,744,249,635,135,488
  5. Step 5: Solve for x
    x = 2,426,744,249,635,135,488/2,085,878,524.11
  6. Step 6: Final answer
    x = 1,163,415,904.42

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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.