Home / 137,436,580,567.82-189,659,509,244.68-79,567,400,522.53

Finding the Fourth Proportional to 137,436,580,567.82, 189,659,509,244.68 and 79,567,400,522.53

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Solution

The fourth proportional to 137,436,580,567.82, 189,659,509,244.68 and 79,567,400,522.53 is: 109,801,292,149.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,436,580,567.82 : 189,659,509,244.68 = 79,567,400,522.53 : x
  2. Step 2: Convert to fraction form
    137,436,580,567.82/189,659,509,244.68 = 79,567,400,522.53/x
  3. Step 3: Cross multiply
    137,436,580,567.82x = 189,659,509,244.68 × 79,567,400,522.53
  4. Step 4: Simplify right side
    137,436,580,567.82x = 15,090,714,134,976,984,514,560
  5. Step 5: Solve for x
    x = 15,090,714,134,976,984,514,560/137,436,580,567.82
  6. Step 6: Final answer
    x = 109,801,292,149.66

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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.