Home / 509,968,389.15-764,952,583.73-165,169,468.35

Finding the Fourth Proportional to 509,968,389.15, 764,952,583.73 and 165,169,468.35

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Solution

The fourth proportional to 509,968,389.15, 764,952,583.73 and 165,169,468.35 is: 247,754,202.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,968,389.15 : 764,952,583.73 = 165,169,468.35 : x
  2. Step 2: Convert to fraction form
    509,968,389.15/764,952,583.73 = 165,169,468.35/x
  3. Step 3: Cross multiply
    509,968,389.15x = 764,952,583.73 × 165,169,468.35
  4. Step 4: Simplify right side
    509,968,389.15x = 126,346,811,567,642,960
  5. Step 5: Solve for x
    x = 126,346,811,567,642,960/509,968,389.15
  6. Step 6: Final answer
    x = 247,754,202.53

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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.