Home / 397,441,709.72-596,417,656.50-192,858,182.36

Finding the Fourth Proportional to 397,441,709.72, 596,417,656.50 and 192,858,182.36

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Solution

The fourth proportional to 397,441,709.72, 596,417,656.50 and 192,858,182.36 is: 289,411,056.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,441,709.72 : 596,417,656.50 = 192,858,182.36 : x
  2. Step 2: Convert to fraction form
    397,441,709.72/596,417,656.50 = 192,858,182.36/x
  3. Step 3: Cross multiply
    397,441,709.72x = 596,417,656.50 × 192,858,182.36
  4. Step 4: Simplify right side
    397,441,709.72x = 115,024,025,160,000,848
  5. Step 5: Solve for x
    x = 115,024,025,160,000,848/397,441,709.72
  6. Step 6: Final answer
    x = 289,411,056.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.