Home / 1,401,144,702-1,933,620,044.03-774,653,486.28

Finding the Fourth Proportional to 1,401,144,702, 1,933,620,044.03 and 774,653,486.28

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Solution

The fourth proportional to 1,401,144,702, 1,933,620,044.03 and 774,653,486.28 is: 1,069,044,122.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,401,144,702 : 1,933,620,044.03 = 774,653,486.28 : x
  2. Step 2: Convert to fraction form
    1,401,144,702/1,933,620,044.03 = 774,653,486.28/x
  3. Step 3: Cross multiply
    1,401,144,702x = 1,933,620,044.03 × 774,653,486.28
  4. Step 4: Simplify right side
    1,401,144,702x = 1,497,885,508,248,726,528
  5. Step 5: Solve for x
    x = 1,497,885,508,248,726,528/1,401,144,702
  6. Step 6: Final answer
    x = 1,069,044,122.36

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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.