Home / 324,771,192.85-487,156,789.28-221,459,062.45

Finding the Fourth Proportional to 324,771,192.85, 487,156,789.28 and 221,459,062.45

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Solution

The fourth proportional to 324,771,192.85, 487,156,789.28 and 221,459,062.45 is: 332,188,593.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,771,192.85 : 487,156,789.28 = 221,459,062.45 : x
  2. Step 2: Convert to fraction form
    324,771,192.85/487,156,789.28 = 221,459,062.45/x
  3. Step 3: Cross multiply
    324,771,192.85x = 487,156,789.28 × 221,459,062.45
  4. Step 4: Simplify right side
    324,771,192.85x = 107,885,285,818,993,712
  5. Step 5: Solve for x
    x = 107,885,285,818,993,712/324,771,192.85
  6. Step 6: Final answer
    x = 332,188,593.68

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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.