Home / 1,691,749,802.82-2,538,144,243.20-807,563,428.46

Finding the Fourth Proportional to 1,691,749,802.82, 2,538,144,243.20 and 807,563,428.46

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Solution

The fourth proportional to 1,691,749,802.82, 2,538,144,243.20 and 807,563,428.46 is: 1,211,593,146.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,749,802.82 : 2,538,144,243.20 = 807,563,428.46 : x
  2. Step 2: Convert to fraction form
    1,691,749,802.82/2,538,144,243.20 = 807,563,428.46/x
  3. Step 3: Cross multiply
    1,691,749,802.82x = 2,538,144,243.20 × 807,563,428.46
  4. Step 4: Simplify right side
    1,691,749,802.82x = 2,049,712,466,964,603,904
  5. Step 5: Solve for x
    x = 2,049,712,466,964,603,904/1,691,749,802.82
  6. Step 6: Final answer
    x = 1,211,593,146.66

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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.