Home / 456,358,162.69-629,788,520.42-258,115,778.30

Finding the Fourth Proportional to 456,358,162.69, 629,788,520.42 and 258,115,778.30

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Solution

The fourth proportional to 456,358,162.69, 629,788,520.42 and 258,115,778.30 is: 356,207,837.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,358,162.69 : 629,788,520.42 = 258,115,778.30 : x
  2. Step 2: Convert to fraction form
    456,358,162.69/629,788,520.42 = 258,115,778.30/x
  3. Step 3: Cross multiply
    456,358,162.69x = 629,788,520.42 × 258,115,778.30
  4. Step 4: Simplify right side
    456,358,162.69x = 162,558,354,110,326,176
  5. Step 5: Solve for x
    x = 162,558,354,110,326,176/456,358,162.69
  6. Step 6: Final answer
    x = 356,207,837.18

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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.