Home / 396,323,138.70-594,484,708.05-137,452,322.70

Finding the Fourth Proportional to 396,323,138.70, 594,484,708.05 and 137,452,322.70

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Solution

The fourth proportional to 396,323,138.70, 594,484,708.05 and 137,452,322.70 is: 206,178,484.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,323,138.70 : 594,484,708.05 = 137,452,322.70 : x
  2. Step 2: Convert to fraction form
    396,323,138.70/594,484,708.05 = 137,452,322.70/x
  3. Step 3: Cross multiply
    396,323,138.70x = 594,484,708.05 × 137,452,322.70
  4. Step 4: Simplify right side
    396,323,138.70x = 81,713,303,931,103,872
  5. Step 5: Solve for x
    x = 81,713,303,931,103,872/396,323,138.70
  6. Step 6: Final answer
    x = 206,178,484.05

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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.