Home / 289,282,473.56-399,203,023.55-170,212,777.83

Finding the Fourth Proportional to 289,282,473.56, 399,203,023.55 and 170,212,777.83

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Solution

The fourth proportional to 289,282,473.56, 399,203,023.55 and 170,212,777.83 is: 234,889,638.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,282,473.56 : 399,203,023.55 = 170,212,777.83 : x
  2. Step 2: Convert to fraction form
    289,282,473.56/399,203,023.55 = 170,212,777.83/x
  3. Step 3: Cross multiply
    289,282,473.56x = 399,203,023.55 × 170,212,777.83
  4. Step 4: Simplify right side
    289,282,473.56x = 67,949,455,555,729,352
  5. Step 5: Solve for x
    x = 67,949,455,555,729,352/289,282,473.56
  6. Step 6: Final answer
    x = 234,889,638.22

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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.