Home / 299,035,768,732.79-412,669,380,984.87-163,704,949,170.82

Finding the Fourth Proportional to 299,035,768,732.79, 412,669,380,984.87 and 163,704,949,170.82

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Solution

The fourth proportional to 299,035,768,732.79, 412,669,380,984.87 and 163,704,949,170.82 is: 225,912,840,877.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,035,768,732.79 : 412,669,380,984.87 = 163,704,949,170.82 : x
  2. Step 2: Convert to fraction form
    299,035,768,732.79/412,669,380,984.87 = 163,704,949,170.82/x
  3. Step 3: Cross multiply
    299,035,768,732.79x = 412,669,380,984.87 × 163,704,949,170.82
  4. Step 4: Simplify right side
    299,035,768,732.79x = 67,556,020,038,481,899,159,552
  5. Step 5: Solve for x
    x = 67,556,020,038,481,899,159,552/299,035,768,732.79
  6. Step 6: Final answer
    x = 225,912,840,877.74

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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.