Home / 280,445,544,408.33-387,204,831,254.07-177,653,882,523.15

Finding the Fourth Proportional to 280,445,544,408.33, 387,204,831,254.07 and 177,653,882,523.15

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Solution

The fourth proportional to 280,445,544,408.33, 387,204,831,254.07 and 177,653,882,523.15 is: 245,282,704,523.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,445,544,408.33 : 387,204,831,254.07 = 177,653,882,523.15 : x
  2. Step 2: Convert to fraction form
    280,445,544,408.33/387,204,831,254.07 = 177,653,882,523.15/x
  3. Step 3: Cross multiply
    280,445,544,408.33x = 387,204,831,254.07 × 177,653,882,523.15
  4. Step 4: Simplify right side
    280,445,544,408.33x = 68,788,441,604,006,673,907,712
  5. Step 5: Solve for x
    x = 68,788,441,604,006,673,907,712/280,445,544,408.33
  6. Step 6: Final answer
    x = 245,282,704,523.38

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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.