Home / 410,454,379.73-616,663,781.02-263,190,462.98

Finding the Fourth Proportional to 410,454,379.73, 616,663,781.02 and 263,190,462.98

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Solution

The fourth proportional to 410,454,379.73, 616,663,781.02 and 263,190,462.98 is: 395,415,505.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,454,379.73 : 616,663,781.02 = 263,190,462.98 : x
  2. Step 2: Convert to fraction form
    410,454,379.73/616,663,781.02 = 263,190,462.98/x
  3. Step 3: Cross multiply
    410,454,379.73x = 616,663,781.02 × 263,190,462.98
  4. Step 4: Simplify right side
    410,454,379.73x = 162,300,026,029,651,136
  5. Step 5: Solve for x
    x = 162,300,026,029,651,136/410,454,379.73
  6. Step 6: Final answer
    x = 395,415,505.46

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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.