Home / 803,964,026,999.40-1,205,946,040,499.10-798,385,171,957.80

Finding the Fourth Proportional to 803,964,026,999.40, 1,205,946,040,499.10 and 798,385,171,957.80

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Solution

The fourth proportional to 803,964,026,999.40, 1,205,946,040,499.10 and 798,385,171,957.80 is: 1,197,577,757,936.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,964,026,999.40 : 1,205,946,040,499.10 = 798,385,171,957.80 : x
  2. Step 2: Convert to fraction form
    803,964,026,999.40/1,205,946,040,499.10 = 798,385,171,957.80/x
  3. Step 3: Cross multiply
    803,964,026,999.40x = 1,205,946,040,499.10 × 798,385,171,957.80
  4. Step 4: Simplify right side
    803,964,026,999.40x = 962,809,436,915,702,154,919,936
  5. Step 5: Solve for x
    x = 962,809,436,915,702,154,919,936/803,964,026,999.40
  6. Step 6: Final answer
    x = 1,197,577,757,936.70

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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.