Home / 672,621,003.04-928,217,142.48-379,265,631.52

Finding the Fourth Proportional to 672,621,003.04, 928,217,142.48 and 379,265,631.52

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Solution

The fourth proportional to 672,621,003.04, 928,217,142.48 and 379,265,631.52 is: 523,386,660.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,621,003.04 : 928,217,142.48 = 379,265,631.52 : x
  2. Step 2: Convert to fraction form
    672,621,003.04/928,217,142.48 = 379,265,631.52/x
  3. Step 3: Cross multiply
    672,621,003.04x = 928,217,142.48 × 379,265,631.52
  4. Step 4: Simplify right side
    672,621,003.04x = 352,040,860,730,367,040
  5. Step 5: Solve for x
    x = 352,040,860,730,367,040/672,621,003.04
  6. Step 6: Final answer
    x = 523,386,660.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.