Home / 397,436,622.33-596,243,847.45-121,109,463.02

Finding the Fourth Proportional to 397,436,622.33, 596,243,847.45 and 121,109,463.02

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Solution

The fourth proportional to 397,436,622.33, 596,243,847.45 and 121,109,463.02 is: 181,691,288.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,436,622.33 : 596,243,847.45 = 121,109,463.02 : x
  2. Step 2: Convert to fraction form
    397,436,622.33/596,243,847.45 = 121,109,463.02/x
  3. Step 3: Cross multiply
    397,436,622.33x = 596,243,847.45 × 121,109,463.02
  4. Step 4: Simplify right side
    397,436,622.33x = 72,210,772,195,593,072
  5. Step 5: Solve for x
    x = 72,210,772,195,593,072/397,436,622.33
  6. Step 6: Final answer
    x = 181,691,288.97

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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.