Home / 352,128,087.84-530,723,188.92-303,530,509.20

Finding the Fourth Proportional to 352,128,087.84, 530,723,188.92 and 303,530,509.20

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Solution

The fourth proportional to 352,128,087.84, 530,723,188.92 and 303,530,509.20 is: 457,477,507.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,128,087.84 : 530,723,188.92 = 303,530,509.20 : x
  2. Step 2: Convert to fraction form
    352,128,087.84/530,723,188.92 = 303,530,509.20/x
  3. Step 3: Cross multiply
    352,128,087.84x = 530,723,188.92 × 303,530,509.20
  4. Step 4: Simplify right side
    352,128,087.84x = 161,090,679,777,135,392
  5. Step 5: Solve for x
    x = 161,090,679,777,135,392/352,128,087.84
  6. Step 6: Final answer
    x = 457,477,507.02

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.