Home / 411,329,099.19-567,644,600.94-225,690,065.67

Finding the Fourth Proportional to 411,329,099.19, 567,644,600.94 and 225,690,065.67

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Solution

The fourth proportional to 411,329,099.19, 567,644,600.94 and 225,690,065.67 is: 311,458,021.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,329,099.19 : 567,644,600.94 = 225,690,065.67 : x
  2. Step 2: Convert to fraction form
    411,329,099.19/567,644,600.94 = 225,690,065.67/x
  3. Step 3: Cross multiply
    411,329,099.19x = 567,644,600.94 × 225,690,065.67
  4. Step 4: Simplify right side
    411,329,099.19x = 128,111,747,263,369,552
  5. Step 5: Solve for x
    x = 128,111,747,263,369,552/411,329,099.19
  6. Step 6: Final answer
    x = 311,458,021.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.