Home / 212,167,834,878.58-292,792,801,379.48-120,716,383,485.08

Finding the Fourth Proportional to 212,167,834,878.58, 292,792,801,379.48 and 120,716,383,485.08

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Solution

The fourth proportional to 212,167,834,878.58, 292,792,801,379.48 and 120,716,383,485.08 is: 166,589,285,851.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,167,834,878.58 : 292,792,801,379.48 = 120,716,383,485.08 : x
  2. Step 2: Convert to fraction form
    212,167,834,878.58/292,792,801,379.48 = 120,716,383,485.08/x
  3. Step 3: Cross multiply
    212,167,834,878.58x = 292,792,801,379.48 × 120,716,383,485.08
  4. Step 4: Simplify right side
    212,167,834,878.58x = 35,344,888,092,996,166,221,824
  5. Step 5: Solve for x
    x = 35,344,888,092,996,166,221,824/212,167,834,878.58
  6. Step 6: Final answer
    x = 166,589,285,851.10

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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.