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Finding the Fourth Proportional to 539,674,648.94, 744,751,264.71 and 292,156,003.19

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Solution

The fourth proportional to 539,674,648.94, 744,751,264.71 and 292,156,003.19 is: 403,175,419.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,674,648.94 : 744,751,264.71 = 292,156,003.19 : x
  2. Step 2: Convert to fraction form
    539,674,648.94/744,751,264.71 = 292,156,003.19/x
  3. Step 3: Cross multiply
    539,674,648.94x = 744,751,264.71 × 292,156,003.19
  4. Step 4: Simplify right side
    539,674,648.94x = 217,583,552,864,647,552
  5. Step 5: Solve for x
    x = 217,583,552,864,647,552/539,674,648.94
  6. Step 6: Final answer
    x = 403,175,419.29

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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.