Home / 508,361,509.62-701,500,382.92-285,300,110.83

Finding the Fourth Proportional to 508,361,509.62, 701,500,382.92 and 285,300,110.83

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Solution

The fourth proportional to 508,361,509.62, 701,500,382.92 and 285,300,110.83 is: 393,692,545.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,361,509.62 : 701,500,382.92 = 285,300,110.83 : x
  2. Step 2: Convert to fraction form
    508,361,509.62/701,500,382.92 = 285,300,110.83/x
  3. Step 3: Cross multiply
    508,361,509.62x = 701,500,382.92 × 285,300,110.83
  4. Step 4: Simplify right side
    508,361,509.62x = 200,138,136,994,363,424
  5. Step 5: Solve for x
    x = 200,138,136,994,363,424/508,361,509.62
  6. Step 6: Final answer
    x = 393,692,545.97

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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.