Home / 939,531,413.44-1,409,478,609.84-357,220,383.04

Finding the Fourth Proportional to 939,531,413.44, 1,409,478,609.84 and 357,220,383.04

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Solution

The fourth proportional to 939,531,413.44, 1,409,478,609.84 and 357,220,383.04 is: 535,899,578.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,531,413.44 : 1,409,478,609.84 = 357,220,383.04 : x
  2. Step 2: Convert to fraction form
    939,531,413.44/1,409,478,609.84 = 357,220,383.04/x
  3. Step 3: Cross multiply
    939,531,413.44x = 1,409,478,609.84 × 357,220,383.04
  4. Step 4: Simplify right side
    939,531,413.44x = 503,494,488,893,731,520
  5. Step 5: Solve for x
    x = 503,494,488,893,731,520/939,531,413.44
  6. Step 6: Final answer
    x = 535,899,578.97

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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.