Home / 489,384,397.02-675,365,083.43-301,321,185.18

Finding the Fourth Proportional to 489,384,397.02, 675,365,083.43 and 301,321,185.18

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Solution

The fourth proportional to 489,384,397.02, 675,365,083.43 and 301,321,185.18 is: 415,832,234.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,384,397.02 : 675,365,083.43 = 301,321,185.18 : x
  2. Step 2: Convert to fraction form
    489,384,397.02/675,365,083.43 = 301,321,185.18/x
  3. Step 3: Cross multiply
    489,384,397.02x = 675,365,083.43 × 301,321,185.18
  4. Step 4: Simplify right side
    489,384,397.02x = 203,501,807,368,317,184
  5. Step 5: Solve for x
    x = 203,501,807,368,317,184/489,384,397.02
  6. Step 6: Final answer
    x = 415,832,234.55

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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.