Home / 396,576,006.40-594,864,009.60-287,736,889.60

Finding the Fourth Proportional to 396,576,006.40, 594,864,009.60 and 287,736,889.60

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Solution

The fourth proportional to 396,576,006.40, 594,864,009.60 and 287,736,889.60 is: 431,605,334.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,576,006.40 : 594,864,009.60 = 287,736,889.60 : x
  2. Step 2: Convert to fraction form
    396,576,006.40/594,864,009.60 = 287,736,889.60/x
  3. Step 3: Cross multiply
    396,576,006.40x = 594,864,009.60 × 287,736,889.60
  4. Step 4: Simplify right side
    396,576,006.40x = 171,164,319,857,288,576
  5. Step 5: Solve for x
    x = 171,164,319,857,288,576/396,576,006.40
  6. Step 6: Final answer
    x = 431,605,334.40

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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.