Home / 509,968,285.65-764,952,428.48-165,169,364.85

Finding the Fourth Proportional to 509,968,285.65, 764,952,428.48 and 165,169,364.85

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Solution

The fourth proportional to 509,968,285.65, 764,952,428.48 and 165,169,364.85 is: 247,754,047.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,968,285.65 : 764,952,428.48 = 165,169,364.85 : x
  2. Step 2: Convert to fraction form
    509,968,285.65/764,952,428.48 = 165,169,364.85/x
  3. Step 3: Cross multiply
    509,968,285.65x = 764,952,428.48 × 165,169,364.85
  4. Step 4: Simplify right side
    509,968,285.65x = 126,346,706,751,680,800
  5. Step 5: Solve for x
    x = 126,346,706,751,680,800/509,968,285.65
  6. Step 6: Final answer
    x = 247,754,047.28

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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.