Home / 743,816,646.90-1,026,436,149.08-404,726,522.48

Finding the Fourth Proportional to 743,816,646.90, 1,026,436,149.08 and 404,726,522.48

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Solution

The fourth proportional to 743,816,646.90, 1,026,436,149.08 and 404,726,522.48 is: 558,505,829.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,816,646.90 : 1,026,436,149.08 = 404,726,522.48 : x
  2. Step 2: Convert to fraction form
    743,816,646.90/1,026,436,149.08 = 404,726,522.48/x
  3. Step 3: Cross multiply
    743,816,646.90x = 1,026,436,149.08 × 404,726,522.48
  4. Step 4: Simplify right side
    743,816,646.90x = 415,425,933,157,755,456
  5. Step 5: Solve for x
    x = 415,425,933,157,755,456/743,816,646.90
  6. Step 6: Final answer
    x = 558,505,829.21

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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.