Home / 13,917,605,778.08-19,206,928,422.15-8,202,131,420.93

Finding the Fourth Proportional to 13,917,605,778.08, 19,206,928,422.15 and 8,202,131,420.93

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Solution

The fourth proportional to 13,917,605,778.08, 19,206,928,422.15 and 8,202,131,420.93 is: 11,319,314,084.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,917,605,778.08 : 19,206,928,422.15 = 8,202,131,420.93 : x
  2. Step 2: Convert to fraction form
    13,917,605,778.08/19,206,928,422.15 = 8,202,131,420.93/x
  3. Step 3: Cross multiply
    13,917,605,778.08x = 19,206,928,422.15 × 8,202,131,420.93
  4. Step 4: Simplify right side
    13,917,605,778.08x = 157,537,751,110,870,007,808
  5. Step 5: Solve for x
    x = 157,537,751,110,870,007,808/13,917,605,778.08
  6. Step 6: Final answer
    x = 11,319,314,084.83

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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.