Home / 217,900,669,327.86-300,702,088,742.85-121,556,679,060.18

Finding the Fourth Proportional to 217,900,669,327.86, 300,702,088,742.85 and 121,556,679,060.18

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Solution

The fourth proportional to 217,900,669,327.86, 300,702,088,742.85 and 121,556,679,060.18 is: 167,747,751,334.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,900,669,327.86 : 300,702,088,742.85 = 121,556,679,060.18 : x
  2. Step 2: Convert to fraction form
    217,900,669,327.86/300,702,088,742.85 = 121,556,679,060.18/x
  3. Step 3: Cross multiply
    217,900,669,327.86x = 300,702,088,742.85 × 121,556,679,060.18
  4. Step 4: Simplify right side
    217,900,669,327.86x = 36,552,347,294,040,378,572,800
  5. Step 5: Solve for x
    x = 36,552,347,294,040,378,572,800/217,900,669,327.86
  6. Step 6: Final answer
    x = 167,747,751,334.54

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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.