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Finding the Fourth Proportional to 657,069,472.29, 906,755,889.66 and 363,714,040.29

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Solution

The fourth proportional to 657,069,472.29, 906,755,889.66 and 363,714,040.29 is: 501,925,385.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,069,472.29 : 906,755,889.66 = 363,714,040.29 : x
  2. Step 2: Convert to fraction form
    657,069,472.29/906,755,889.66 = 363,714,040.29/x
  3. Step 3: Cross multiply
    657,069,472.29x = 906,755,889.66 × 363,714,040.29
  4. Step 4: Simplify right side
    657,069,472.29x = 329,799,848,184,992,064
  5. Step 5: Solve for x
    x = 329,799,848,184,992,064/657,069,472.29
  6. Step 6: Final answer
    x = 501,925,385.51

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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.