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Finding the Fourth Proportional to 556,981,091.91, 768,654,650.43 and 333,999,077.13

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Solution

The fourth proportional to 556,981,091.91, 768,654,650.43 and 333,999,077.13 is: 460,931,165.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,981,091.91 : 768,654,650.43 = 333,999,077.13 : x
  2. Step 2: Convert to fraction form
    556,981,091.91/768,654,650.43 = 333,999,077.13/x
  3. Step 3: Cross multiply
    556,981,091.91x = 768,654,650.43 × 333,999,077.13
  4. Step 4: Simplify right side
    556,981,091.91x = 256,729,943,875,302,752
  5. Step 5: Solve for x
    x = 256,729,943,875,302,752/556,981,091.91
  6. Step 6: Final answer
    x = 460,931,165.54

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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.