Home / 20,648,156,119,238-28,507,317,370,590-13,143,761,139,119

Finding the Fourth Proportional to 20,648,156,119,238, 28,507,317,370,590 and 13,143,761,139,119

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Solution

The fourth proportional to 20,648,156,119,238, 28,507,317,370,590 and 13,143,761,139,119 is: 18,146,577,741,486.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,648,156,119,238 : 28,507,317,370,590 = 13,143,761,139,119 : x
  2. Step 2: Convert to fraction form
    20,648,156,119,238/28,507,317,370,590 = 13,143,761,139,119/x
  3. Step 3: Cross multiply
    20,648,156,119,238x = 28,507,317,370,590 × 13,143,761,139,119
  4. Step 4: Simplify right side
    20,648,156,119,238x = 374,693,370,236,092,888,555,454,464
  5. Step 5: Solve for x
    x = 374,693,370,236,092,888,555,454,464/20,648,156,119,238
  6. Step 6: Final answer
    x = 18,146,577,741,486.03

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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.