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Finding the Fourth Proportional to 568,252,843.52, 778,493,368.55 and 547,007,417.16

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Solution

The fourth proportional to 568,252,843.52, 778,493,368.55 and 547,007,417.16 is: 749,387,621.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,252,843.52 : 778,493,368.55 = 547,007,417.16 : x
  2. Step 2: Convert to fraction form
    568,252,843.52/778,493,368.55 = 547,007,417.16/x
  3. Step 3: Cross multiply
    568,252,843.52x = 778,493,368.55 × 547,007,417.16
  4. Step 4: Simplify right side
    568,252,843.52x = 425,841,646,806,723,392
  5. Step 5: Solve for x
    x = 425,841,646,806,723,392/568,252,843.52
  6. Step 6: Final answer
    x = 749,387,621.48

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.