Home / 168,863,763,100.05-253,338,518,466.86-78,170,563,738.53

Finding the Fourth Proportional to 168,863,763,100.05, 253,338,518,466.86 and 78,170,563,738.53

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Solution

The fourth proportional to 168,863,763,100.05, 253,338,518,466.86 and 78,170,563,738.53 is: 117,275,692,793.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,863,763,100.05 : 253,338,518,466.86 = 78,170,563,738.53 : x
  2. Step 2: Convert to fraction form
    168,863,763,100.05/253,338,518,466.86 = 78,170,563,738.53/x
  3. Step 3: Cross multiply
    168,863,763,100.05x = 253,338,518,466.86 × 78,170,563,738.53
  4. Step 4: Simplify right side
    168,863,763,100.05x = 19,803,614,805,238,438,952,960
  5. Step 5: Solve for x
    x = 19,803,614,805,238,438,952,960/168,863,763,100.05
  6. Step 6: Final answer
    x = 117,275,692,793.28

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1.5x scale

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.