Home / 2,085,456,005.80-3,128,603,912.70-611,592,965.80

Finding the Fourth Proportional to 2,085,456,005.80, 3,128,603,912.70 and 611,592,965.80

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Solution

The fourth proportional to 2,085,456,005.80, 3,128,603,912.70 and 611,592,965.80 is: 917,512,592.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,085,456,005.80 : 3,128,603,912.70 = 611,592,965.80 : x
  2. Step 2: Convert to fraction form
    2,085,456,005.80/3,128,603,912.70 = 611,592,965.80/x
  3. Step 3: Cross multiply
    2,085,456,005.80x = 3,128,603,912.70 × 611,592,965.80
  4. Step 4: Simplify right side
    2,085,456,005.80x = 1,913,432,145,781,677,056
  5. Step 5: Solve for x
    x = 1,913,432,145,781,677,056/2,085,456,005.80
  6. Step 6: Final answer
    x = 917,512,592.19

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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.