Home / 488,326,072.20-732,489,108.30-396,493,067.40

Finding the Fourth Proportional to 488,326,072.20, 732,489,108.30 and 396,493,067.40

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Solution

The fourth proportional to 488,326,072.20, 732,489,108.30 and 396,493,067.40 is: 594,739,601.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,326,072.20 : 732,489,108.30 = 396,493,067.40 : x
  2. Step 2: Convert to fraction form
    488,326,072.20/732,489,108.30 = 396,493,067.40/x
  3. Step 3: Cross multiply
    488,326,072.20x = 732,489,108.30 × 396,493,067.40
  4. Step 4: Simplify right side
    488,326,072.20x = 290,426,853,386,957,760
  5. Step 5: Solve for x
    x = 290,426,853,386,957,760/488,326,072.20
  6. Step 6: Final answer
    x = 594,739,601.10

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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.