Home / 409,451,677.80-614,177,516.70-254,483,482.20

Finding the Fourth Proportional to 409,451,677.80, 614,177,516.70 and 254,483,482.20

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Solution

The fourth proportional to 409,451,677.80, 614,177,516.70 and 254,483,482.20 is: 381,725,223.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,451,677.80 : 614,177,516.70 = 254,483,482.20 : x
  2. Step 2: Convert to fraction form
    409,451,677.80/614,177,516.70 = 254,483,482.20/x
  3. Step 3: Cross multiply
    409,451,677.80x = 614,177,516.70 × 254,483,482.20
  4. Step 4: Simplify right side
    409,451,677.80x = 156,298,033,138,764,672
  5. Step 5: Solve for x
    x = 156,298,033,138,764,672/409,451,677.80
  6. Step 6: Final answer
    x = 381,725,223.30

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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.