Home / 1,625,933,012.15-2,243,787,553.49-921,084,992.66

Finding the Fourth Proportional to 1,625,933,012.15, 2,243,787,553.49 and 921,084,992.66

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Solution

The fourth proportional to 1,625,933,012.15, 2,243,787,553.49 and 921,084,992.66 is: 1,271,097,288.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,625,933,012.15 : 2,243,787,553.49 = 921,084,992.66 : x
  2. Step 2: Convert to fraction form
    1,625,933,012.15/2,243,787,553.49 = 921,084,992.66/x
  3. Step 3: Cross multiply
    1,625,933,012.15x = 2,243,787,553.49 × 921,084,992.66
  4. Step 4: Simplify right side
    1,625,933,012.15x = 2,066,719,042,221,111,808
  5. Step 5: Solve for x
    x = 2,066,719,042,221,111,808/1,625,933,012.15
  6. Step 6: Final answer
    x = 1,271,097,288.01

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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.