Home / 301,214,905.70-451,822,358.55-209,381,900.90

Finding the Fourth Proportional to 301,214,905.70, 451,822,358.55 and 209,381,900.90

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Solution

The fourth proportional to 301,214,905.70, 451,822,358.55 and 209,381,900.90 is: 314,072,851.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,214,905.70 : 451,822,358.55 = 209,381,900.90 : x
  2. Step 2: Convert to fraction form
    301,214,905.70/451,822,358.55 = 209,381,900.90/x
  3. Step 3: Cross multiply
    301,214,905.70x = 451,822,358.55 × 209,381,900.90
  4. Step 4: Simplify right side
    301,214,905.70x = 94,603,424,302,320,368
  5. Step 5: Solve for x
    x = 94,603,424,302,320,368/301,214,905.70
  6. Step 6: Final answer
    x = 314,072,851.35

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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.