Home / 449,247,410.31-673,424,705.03-312,645,815.67

Finding the Fourth Proportional to 449,247,410.31, 673,424,705.03 and 312,645,815.67

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Solution

The fourth proportional to 449,247,410.31, 673,424,705.03 and 312,645,815.67 is: 468,658,052.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,247,410.31 : 673,424,705.03 = 312,645,815.67 : x
  2. Step 2: Convert to fraction form
    449,247,410.31/673,424,705.03 = 312,645,815.67/x
  3. Step 3: Cross multiply
    449,247,410.31x = 673,424,705.03 × 312,645,815.67
  4. Step 4: Simplify right side
    449,247,410.31x = 210,543,416,194,870,272
  5. Step 5: Solve for x
    x = 210,543,416,194,870,272/449,247,410.31
  6. Step 6: Final answer
    x = 468,658,052.03

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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.