Home / 301,214,930.70-451,822,396.05-209,381,925.90

Finding the Fourth Proportional to 301,214,930.70, 451,822,396.05 and 209,381,925.90

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Solution

The fourth proportional to 301,214,930.70, 451,822,396.05 and 209,381,925.90 is: 314,072,888.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,214,930.70 : 451,822,396.05 = 209,381,925.90 : x
  2. Step 2: Convert to fraction form
    301,214,930.70/451,822,396.05 = 209,381,925.90/x
  3. Step 3: Cross multiply
    301,214,930.70x = 451,822,396.05 × 209,381,925.90
  4. Step 4: Simplify right side
    301,214,930.70x = 94,603,443,449,701,552
  5. Step 5: Solve for x
    x = 94,603,443,449,701,552/301,214,930.70
  6. Step 6: Final answer
    x = 314,072,888.85

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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.