Home / 723,976,072.72-1,086,298,092.74-330,623,484.24

Finding the Fourth Proportional to 723,976,072.72, 1,086,298,092.74 and 330,623,484.24

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Solution

The fourth proportional to 723,976,072.72, 1,086,298,092.74 and 330,623,484.24 is: 496,087,749.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,976,072.72 : 1,086,298,092.74 = 330,623,484.24 : x
  2. Step 2: Convert to fraction form
    723,976,072.72/1,086,298,092.74 = 330,623,484.24/x
  3. Step 3: Cross multiply
    723,976,072.72x = 1,086,298,092.74 × 330,623,484.24
  4. Step 4: Simplify right side
    723,976,072.72x = 359,155,660,344,965,440
  5. Step 5: Solve for x
    x = 359,155,660,344,965,440/723,976,072.72
  6. Step 6: Final answer
    x = 496,087,749.14

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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.