Home / 18,939,385,793.10-26,135,288,986.80-10,365,794,972.58

Finding the Fourth Proportional to 18,939,385,793.10, 26,135,288,986.80 and 10,365,794,972.58

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Solution

The fourth proportional to 18,939,385,793.10, 26,135,288,986.80 and 10,365,794,972.58 is: 14,304,215,044.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,939,385,793.10 : 26,135,288,986.80 = 10,365,794,972.58 : x
  2. Step 2: Convert to fraction form
    18,939,385,793.10/26,135,288,986.80 = 10,365,794,972.58/x
  3. Step 3: Cross multiply
    18,939,385,793.10x = 26,135,288,986.80 × 10,365,794,972.58
  4. Step 4: Simplify right side
    18,939,385,793.10x = 270,913,047,186,296,864,768
  5. Step 5: Solve for x
    x = 270,913,047,186,296,864,768/18,939,385,793.10
  6. Step 6: Final answer
    x = 14,304,215,044.03

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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.