Home / 2,085,996,043.80-3,129,413,969.70-612,133,003.80

Finding the Fourth Proportional to 2,085,996,043.80, 3,129,413,969.70 and 612,133,003.80

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Solution

The fourth proportional to 2,085,996,043.80, 3,129,413,969.70 and 612,133,003.80 is: 918,322,726.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,085,996,043.80 : 3,129,413,969.70 = 612,133,003.80 : x
  2. Step 2: Convert to fraction form
    2,085,996,043.80/3,129,413,969.70 = 612,133,003.80/x
  3. Step 3: Cross multiply
    2,085,996,043.80x = 3,129,413,969.70 × 612,133,003.80
  4. Step 4: Simplify right side
    2,085,996,043.80x = 1,915,617,573,406,142,976
  5. Step 5: Solve for x
    x = 1,915,617,573,406,142,976/2,085,996,043.80
  6. Step 6: Final answer
    x = 918,322,726.02

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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.