Home / 3,121,458,093,945-4,307,262,808,712.80-1,732,597,747,356.20

Finding the Fourth Proportional to 3,121,458,093,945, 4,307,262,808,712.80 and 1,732,597,747,356.20

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Solution

The fourth proportional to 3,121,458,093,945, 4,307,262,808,712.80 and 1,732,597,747,356.20 is: 2,390,790,974,936.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,121,458,093,945 : 4,307,262,808,712.80 = 1,732,597,747,356.20 : x
  2. Step 2: Convert to fraction form
    3,121,458,093,945/4,307,262,808,712.80 = 1,732,597,747,356.20/x
  3. Step 3: Cross multiply
    3,121,458,093,945x = 4,307,262,808,712.80 × 1,732,597,747,356.20
  4. Step 4: Simplify right side
    3,121,458,093,945x = 7,462,753,839,646,935,632,314,368
  5. Step 5: Solve for x
    x = 7,462,753,839,646,935,632,314,368/3,121,458,093,945
  6. Step 6: Final answer
    x = 2,390,790,974,936.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.