Home / 479,232,037.80-718,848,056.70-192,223,679.40

Finding the Fourth Proportional to 479,232,037.80, 718,848,056.70 and 192,223,679.40

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Solution

The fourth proportional to 479,232,037.80, 718,848,056.70 and 192,223,679.40 is: 288,335,519.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,232,037.80 : 718,848,056.70 = 192,223,679.40 : x
  2. Step 2: Convert to fraction form
    479,232,037.80/718,848,056.70 = 192,223,679.40/x
  3. Step 3: Cross multiply
    479,232,037.80x = 718,848,056.70 × 192,223,679.40
  4. Step 4: Simplify right side
    479,232,037.80x = 138,179,618,388,413,840
  5. Step 5: Solve for x
    x = 138,179,618,388,413,840/479,232,037.80
  6. Step 6: Final answer
    x = 288,335,519.10

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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.