Home / 20,648,156,119,228-28,507,317,370,578-13,143,761,139,110

Finding the Fourth Proportional to 20,648,156,119,228, 28,507,317,370,578 and 13,143,761,139,110

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Solution

The fourth proportional to 20,648,156,119,228, 28,507,317,370,578 and 13,143,761,139,110 is: 18,146,577,741,474.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,648,156,119,228 : 28,507,317,370,578 = 13,143,761,139,110 : x
  2. Step 2: Convert to fraction form
    20,648,156,119,228/28,507,317,370,578 = 13,143,761,139,110/x
  3. Step 3: Cross multiply
    20,648,156,119,228x = 28,507,317,370,578 × 13,143,761,139,110
  4. Step 4: Simplify right side
    20,648,156,119,228x = 374,693,370,235,678,578,830,213,120
  5. Step 5: Solve for x
    x = 374,693,370,235,678,578,830,213,120/20,648,156,119,228
  6. Step 6: Final answer
    x = 18,146,577,741,474.75

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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.