Home / 841,487,768.70-1,262,231,633.61-228,071,982.30

Finding the Fourth Proportional to 841,487,768.70, 1,262,231,633.61 and 228,071,982.30

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Solution

The fourth proportional to 841,487,768.70, 1,262,231,633.61 and 228,071,982.30 is: 342,107,968.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,487,768.70 : 1,262,231,633.61 = 228,071,982.30 : x
  2. Step 2: Convert to fraction form
    841,487,768.70/1,262,231,633.61 = 228,071,982.30/x
  3. Step 3: Cross multiply
    841,487,768.70x = 1,262,231,633.61 × 228,071,982.30
  4. Step 4: Simplify right side
    841,487,768.70x = 287,879,670,799,200,000
  5. Step 5: Solve for x
    x = 287,879,670,799,200,000/841,487,768.70
  6. Step 6: Final answer
    x = 342,107,968.18

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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.