Home / 509,968,390.15-764,952,585.23-165,169,469.35

Finding the Fourth Proportional to 509,968,390.15, 764,952,585.23 and 165,169,469.35

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Solution

The fourth proportional to 509,968,390.15, 764,952,585.23 and 165,169,469.35 is: 247,754,204.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,968,390.15 : 764,952,585.23 = 165,169,469.35 : x
  2. Step 2: Convert to fraction form
    509,968,390.15/764,952,585.23 = 165,169,469.35/x
  3. Step 3: Cross multiply
    509,968,390.15x = 764,952,585.23 × 165,169,469.35
  4. Step 4: Simplify right side
    509,968,390.15x = 126,346,812,580,349,744
  5. Step 5: Solve for x
    x = 126,346,812,580,349,744/509,968,390.15
  6. Step 6: Final answer
    x = 247,754,204.03

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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.