Home / 479,760,667.70-719,684,919.23-134,711,969.63

Finding the Fourth Proportional to 479,760,667.70, 719,684,919.23 and 134,711,969.63

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Solution

The fourth proportional to 479,760,667.70, 719,684,919.23 and 134,711,969.63 is: 202,080,286.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,760,667.70 : 719,684,919.23 = 134,711,969.63 : x
  2. Step 2: Convert to fraction form
    479,760,667.70/719,684,919.23 = 134,711,969.63/x
  3. Step 3: Cross multiply
    479,760,667.70x = 719,684,919.23 × 134,711,969.63
  4. Step 4: Simplify right side
    479,760,667.70x = 96,950,172,978,208,784
  5. Step 5: Solve for x
    x = 96,950,172,978,208,784/479,760,667.70
  6. Step 6: Final answer
    x = 202,080,286.08

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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.