Home / 397,620,971.20-596,154,331.84-176,171,942.28

Finding the Fourth Proportional to 397,620,971.20, 596,154,331.84 and 176,171,942.28

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Solution

The fourth proportional to 397,620,971.20, 596,154,331.84 and 176,171,942.28 is: 264,135,129.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,620,971.20 : 596,154,331.84 = 176,171,942.28 : x
  2. Step 2: Convert to fraction form
    397,620,971.20/596,154,331.84 = 176,171,942.28/x
  3. Step 3: Cross multiply
    397,620,971.20x = 596,154,331.84 × 176,171,942.28
  4. Step 4: Simplify right side
    397,620,971.20x = 105,025,666,538,888,448
  5. Step 5: Solve for x
    x = 105,025,666,538,888,448/397,620,971.20
  6. Step 6: Final answer
    x = 264,135,129.04

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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.