Home / 644,740,484.08-967,016,247.64-317,128,059.04

Finding the Fourth Proportional to 644,740,484.08, 967,016,247.64 and 317,128,059.04

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Solution

The fourth proportional to 644,740,484.08, 967,016,247.64 and 317,128,059.04 is: 475,645,617.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,740,484.08 : 967,016,247.64 = 317,128,059.04 : x
  2. Step 2: Convert to fraction form
    644,740,484.08/967,016,247.64 = 317,128,059.04/x
  3. Step 3: Cross multiply
    644,740,484.08x = 967,016,247.64 × 317,128,059.04
  4. Step 4: Simplify right side
    644,740,484.08x = 306,667,985,674,217,216
  5. Step 5: Solve for x
    x = 306,667,985,674,217,216/644,740,484.08
  6. Step 6: Final answer
    x = 475,645,617.49

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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.