Home / 69,979,587,556.86-96,536,253,112.79-42,505,863,115.84

Finding the Fourth Proportional to 69,979,587,556.86, 96,536,253,112.79 and 42,505,863,115.84

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Solution

The fourth proportional to 69,979,587,556.86, 96,536,253,112.79 and 42,505,863,115.84 is: 58,636,481,062.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,979,587,556.86 : 96,536,253,112.79 = 42,505,863,115.84 : x
  2. Step 2: Convert to fraction form
    69,979,587,556.86/96,536,253,112.79 = 42,505,863,115.84/x
  3. Step 3: Cross multiply
    69,979,587,556.86x = 96,536,253,112.79 × 42,505,863,115.84
  4. Step 4: Simplify right side
    69,979,587,556.86x = 4,103,356,760,528,164,225,024
  5. Step 5: Solve for x
    x = 4,103,356,760,528,164,225,024/69,979,587,556.86
  6. Step 6: Final answer
    x = 58,636,481,062.34

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1.5x scale

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.