Home / 508,361,509.02-701,500,382.12-285,300,110.24

Finding the Fourth Proportional to 508,361,509.02, 701,500,382.12 and 285,300,110.24

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Solution

The fourth proportional to 508,361,509.02, 701,500,382.12 and 285,300,110.24 is: 393,692,545.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,361,509.02 : 701,500,382.12 = 285,300,110.24 : x
  2. Step 2: Convert to fraction form
    508,361,509.02/701,500,382.12 = 285,300,110.24/x
  3. Step 3: Cross multiply
    508,361,509.02x = 701,500,382.12 × 285,300,110.24
  4. Step 4: Simplify right side
    508,361,509.02x = 200,138,136,352,238,144
  5. Step 5: Solve for x
    x = 200,138,136,352,238,144/508,361,509.02
  6. Step 6: Final answer
    x = 393,692,545.17

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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.