Home / 301,214,904.70-451,822,357.05-209,381,899.90

Finding the Fourth Proportional to 301,214,904.70, 451,822,357.05 and 209,381,899.90

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Solution

The fourth proportional to 301,214,904.70, 451,822,357.05 and 209,381,899.90 is: 314,072,849.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,214,904.70 : 451,822,357.05 = 209,381,899.90 : x
  2. Step 2: Convert to fraction form
    301,214,904.70/451,822,357.05 = 209,381,899.90/x
  3. Step 3: Cross multiply
    301,214,904.70x = 451,822,357.05 × 209,381,899.90
  4. Step 4: Simplify right side
    301,214,904.70x = 94,603,423,536,425,168
  5. Step 5: Solve for x
    x = 94,603,423,536,425,168/301,214,904.70
  6. Step 6: Final answer
    x = 314,072,849.85

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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.