Home / 930,554,171.89-1,284,160,876.73-512,865,460.33

Finding the Fourth Proportional to 930,554,171.89, 1,284,160,876.73 and 512,865,460.33

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Solution

The fourth proportional to 930,554,171.89, 1,284,160,876.73 and 512,865,460.33 is: 707,752,196.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,554,171.89 : 1,284,160,876.73 = 512,865,460.33 : x
  2. Step 2: Convert to fraction form
    930,554,171.89/1,284,160,876.73 = 512,865,460.33/x
  3. Step 3: Cross multiply
    930,554,171.89x = 1,284,160,876.73 × 512,865,460.33
  4. Step 4: Simplify right side
    930,554,171.89x = 658,601,759,181,907,840
  5. Step 5: Solve for x
    x = 658,601,759,181,907,840/930,554,171.89
  6. Step 6: Final answer
    x = 707,752,196.57

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.