Home / 396,576,005.10-594,864,007.65-320,048,501.10

Finding the Fourth Proportional to 396,576,005.10, 594,864,007.65 and 320,048,501.10

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Solution

The fourth proportional to 396,576,005.10, 594,864,007.65 and 320,048,501.10 is: 480,072,751.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,576,005.10 : 594,864,007.65 = 320,048,501.10 : x
  2. Step 2: Convert to fraction form
    396,576,005.10/594,864,007.65 = 320,048,501.10/x
  3. Step 3: Cross multiply
    396,576,005.10x = 594,864,007.65 × 320,048,501.10
  4. Step 4: Simplify right side
    396,576,005.10x = 190,385,334,006,721,440
  5. Step 5: Solve for x
    x = 190,385,334,006,721,440/396,576,005.10
  6. Step 6: Final answer
    x = 480,072,751.65

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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.