Home / 509,967,329.40-764,950,994.10-164,955,832.20

Finding the Fourth Proportional to 509,967,329.40, 764,950,994.10 and 164,955,832.20

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Solution

The fourth proportional to 509,967,329.40, 764,950,994.10 and 164,955,832.20 is: 247,433,748.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,967,329.40 : 764,950,994.10 = 164,955,832.20 : x
  2. Step 2: Convert to fraction form
    509,967,329.40/764,950,994.10 = 164,955,832.20/x
  3. Step 3: Cross multiply
    509,967,329.40x = 764,950,994.10 × 164,955,832.20
  4. Step 4: Simplify right side
    509,967,329.40x = 126,183,127,823,982,784
  5. Step 5: Solve for x
    x = 126,183,127,823,982,784/509,967,329.40
  6. Step 6: Final answer
    x = 247,433,748.30

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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.