Home / 1,390,251,066.14-1,916,720,856.68-1,003,243,736.36

Finding the Fourth Proportional to 1,390,251,066.14, 1,916,720,856.68 and 1,003,243,736.36

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Solution

The fourth proportional to 1,390,251,066.14, 1,916,720,856.68 and 1,003,243,736.36 is: 1,383,158,942.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,390,251,066.14 : 1,916,720,856.68 = 1,003,243,736.36 : x
  2. Step 2: Convert to fraction form
    1,390,251,066.14/1,916,720,856.68 = 1,003,243,736.36/x
  3. Step 3: Cross multiply
    1,390,251,066.14x = 1,916,720,856.68 × 1,003,243,736.36
  4. Step 4: Simplify right side
    1,390,251,066.14x = 1,922,938,193,814,558,720
  5. Step 5: Solve for x
    x = 1,922,938,193,814,558,720/1,390,251,066.14
  6. Step 6: Final answer
    x = 1,383,158,942.04

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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.