Home / 14,756,147,736,820-20,364,123,987,867-8,171,643,396,015

Finding the Fourth Proportional to 14,756,147,736,820, 20,364,123,987,867 and 8,171,643,396,015

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Solution

The fourth proportional to 14,756,147,736,820, 20,364,123,987,867 and 8,171,643,396,015 is: 11,277,222,366,502.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,756,147,736,820 : 20,364,123,987,867 = 8,171,643,396,015 : x
  2. Step 2: Convert to fraction form
    14,756,147,736,820/20,364,123,987,867 = 8,171,643,396,015/x
  3. Step 3: Cross multiply
    14,756,147,736,820x = 20,364,123,987,867 × 8,171,643,396,015
  4. Step 4: Simplify right side
    14,756,147,736,820x = 166,408,359,301,084,006,613,778,432
  5. Step 5: Solve for x
    x = 166,408,359,301,084,006,613,778,432/14,756,147,736,820
  6. Step 6: Final answer
    x = 11,277,222,366,502.65

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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.