Home / 79,197,393,654.72-109,580,200,365.96-69,057,266,211.36

Finding the Fourth Proportional to 79,197,393,654.72, 109,580,200,365.96 and 69,057,266,211.36

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Solution

The fourth proportional to 79,197,393,654.72, 109,580,200,365.96 and 69,057,266,211.36 is: 95,549,976,065.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,197,393,654.72 : 109,580,200,365.96 = 69,057,266,211.36 : x
  2. Step 2: Convert to fraction form
    79,197,393,654.72/109,580,200,365.96 = 69,057,266,211.36/x
  3. Step 3: Cross multiply
    79,197,393,654.72x = 109,580,200,365.96 × 69,057,266,211.36
  4. Step 4: Simplify right side
    79,197,393,654.72x = 7,567,309,068,166,268,715,008
  5. Step 5: Solve for x
    x = 7,567,309,068,166,268,715,008/79,197,393,654.72
  6. Step 6: Final answer
    x = 95,549,976,065.60

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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.