Home / 518,366,501.58-778,103,067.48-223,407,186.96

Finding the Fourth Proportional to 518,366,501.58, 778,103,067.48 and 223,407,186.96

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Solution

The fourth proportional to 518,366,501.58, 778,103,067.48 and 223,407,186.96 is: 335,349,249.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,366,501.58 : 778,103,067.48 = 223,407,186.96 : x
  2. Step 2: Convert to fraction form
    518,366,501.58/778,103,067.48 = 223,407,186.96/x
  3. Step 3: Cross multiply
    518,366,501.58x = 778,103,067.48 × 223,407,186.96
  4. Step 4: Simplify right side
    518,366,501.58x = 173,833,817,470,653,856
  5. Step 5: Solve for x
    x = 173,833,817,470,653,856/518,366,501.58
  6. Step 6: Final answer
    x = 335,349,249.89

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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.