Home / 2,656,603,387,662.80-3,666,116,210,401.20-1,438,628,112,109

Finding the Fourth Proportional to 2,656,603,387,662.80, 3,666,116,210,401.20 and 1,438,628,112,109

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Solution

The fourth proportional to 2,656,603,387,662.80, 3,666,116,210,401.20 and 1,438,628,112,109 is: 1,985,308,709,246.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,656,603,387,662.80 : 3,666,116,210,401.20 = 1,438,628,112,109 : x
  2. Step 2: Convert to fraction form
    2,656,603,387,662.80/3,666,116,210,401.20 = 1,438,628,112,109/x
  3. Step 3: Cross multiply
    2,656,603,387,662.80x = 3,666,116,210,401.20 × 1,438,628,112,109
  4. Step 4: Simplify right side
    2,656,603,387,662.80x = 5,274,177,842,541,679,710,568,448
  5. Step 5: Solve for x
    x = 5,274,177,842,541,679,710,568,448/2,656,603,387,662.80
  6. Step 6: Final answer
    x = 1,985,308,709,246.86

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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.