Home / 384,752,215.20-577,489,129.20-203,129,738.40

Finding the Fourth Proportional to 384,752,215.20, 577,489,129.20 and 203,129,738.40

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Solution

The fourth proportional to 384,752,215.20, 577,489,129.20 and 203,129,738.40 is: 304,885,095.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,752,215.20 : 577,489,129.20 = 203,129,738.40 : x
  2. Step 2: Convert to fraction form
    384,752,215.20/577,489,129.20 = 203,129,738.40/x
  3. Step 3: Cross multiply
    384,752,215.20x = 577,489,129.20 × 203,129,738.40
  4. Step 4: Simplify right side
    384,752,215.20x = 117,305,215,743,239,808
  5. Step 5: Solve for x
    x = 117,305,215,743,239,808/384,752,215.20
  6. Step 6: Final answer
    x = 304,885,095.16

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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.