Home / 1,211,633,003.32-1,672,053,472.38-654,716,032.36

Finding the Fourth Proportional to 1,211,633,003.32, 1,672,053,472.38 and 654,716,032.36

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Solution

The fourth proportional to 1,211,633,003.32, 1,672,053,472.38 and 654,716,032.36 is: 903,508,085.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,633,003.32 : 1,672,053,472.38 = 654,716,032.36 : x
  2. Step 2: Convert to fraction form
    1,211,633,003.32/1,672,053,472.38 = 654,716,032.36/x
  3. Step 3: Cross multiply
    1,211,633,003.32x = 1,672,053,472.38 × 654,716,032.36
  4. Step 4: Simplify right side
    1,211,633,003.32x = 1,094,720,215,330,394,496
  5. Step 5: Solve for x
    x = 1,094,720,215,330,394,496/1,211,633,003.32
  6. Step 6: Final answer
    x = 903,508,085.64

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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.