Home / 21,150,082,708,438-31,739,615,652,930-7,381,669,416,363.50

Finding the Fourth Proportional to 21,150,082,708,438, 31,739,615,652,930 and 7,381,669,416,363.50

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Solution

The fourth proportional to 21,150,082,708,438, 31,739,615,652,930 and 7,381,669,416,363.50 is: 11,077,561,888,630.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,150,082,708,438 : 31,739,615,652,930 = 7,381,669,416,363.50 : x
  2. Step 2: Convert to fraction form
    21,150,082,708,438/31,739,615,652,930 = 7,381,669,416,363.50/x
  3. Step 3: Cross multiply
    21,150,082,708,438x = 31,739,615,652,930 × 7,381,669,416,363.50
  4. Step 4: Simplify right side
    21,150,082,708,438x = 234,291,350,152,365,613,747,535,872
  5. Step 5: Solve for x
    x = 234,291,350,152,365,613,747,535,872/21,150,082,708,438
  6. Step 6: Final answer
    x = 11,077,561,888,630.02

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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.