Home / 509,336,000.70-764,004,001.05-181,968,344.70

Finding the Fourth Proportional to 509,336,000.70, 764,004,001.05 and 181,968,344.70

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Solution

The fourth proportional to 509,336,000.70, 764,004,001.05 and 181,968,344.70 is: 272,952,517.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,336,000.70 : 764,004,001.05 = 181,968,344.70 : x
  2. Step 2: Convert to fraction form
    509,336,000.70/764,004,001.05 = 181,968,344.70/x
  3. Step 3: Cross multiply
    509,336,000.70x = 764,004,001.05 × 181,968,344.70
  4. Step 4: Simplify right side
    509,336,000.70x = 139,024,543,415,245,552
  5. Step 5: Solve for x
    x = 139,024,543,415,245,552/509,336,000.70
  6. Step 6: Final answer
    x = 272,952,517.05

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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.