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Finding the Fourth Proportional to 613,248,999.10, 919,873,498.65 and 613,248,999.10

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Solution

The fourth proportional to 613,248,999.10, 919,873,498.65 and 613,248,999.10 is: 919,873,498.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,248,999.10 : 919,873,498.65 = 613,248,999.10 : x
  2. Step 2: Convert to fraction form
    613,248,999.10/919,873,498.65 = 613,248,999.10/x
  3. Step 3: Cross multiply
    613,248,999.10x = 919,873,498.65 × 613,248,999.10
  4. Step 4: Simplify right side
    613,248,999.10x = 564,111,502,345,727,680
  5. Step 5: Solve for x
    x = 564,111,502,345,727,680/613,248,999.10
  6. Step 6: Final answer
    x = 919,873,498.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.