Home / 10,315,815,918.78-15,476,759,783.01-3,328,495,785.66

Finding the Fourth Proportional to 10,315,815,918.78, 15,476,759,783.01 and 3,328,495,785.66

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Solution

The fourth proportional to 10,315,815,918.78, 15,476,759,783.01 and 3,328,495,785.66 is: 4,993,723,241.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,315,815,918.78 : 15,476,759,783.01 = 3,328,495,785.66 : x
  2. Step 2: Convert to fraction form
    10,315,815,918.78/15,476,759,783.01 = 3,328,495,785.66/x
  3. Step 3: Cross multiply
    10,315,815,918.78x = 15,476,759,783.01 × 3,328,495,785.66
  4. Step 4: Simplify right side
    10,315,815,918.78x = 51,514,329,713,420,959,744
  5. Step 5: Solve for x
    x = 51,514,329,713,420,959,744/10,315,815,918.78
  6. Step 6: Final answer
    x = 4,993,723,241.96

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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.