Home / 1,212,857,586.55-1,673,744,585.43-655,940,633.59

Finding the Fourth Proportional to 1,212,857,586.55, 1,673,744,585.43 and 655,940,633.59

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Solution

The fourth proportional to 1,212,857,586.55, 1,673,744,585.43 and 655,940,633.59 is: 905,198,677.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,857,586.55 : 1,673,744,585.43 = 655,940,633.59 : x
  2. Step 2: Convert to fraction form
    1,212,857,586.55/1,673,744,585.43 = 655,940,633.59/x
  3. Step 3: Cross multiply
    1,212,857,586.55x = 1,673,744,585.43 × 655,940,633.59
  4. Step 4: Simplify right side
    1,212,857,586.55x = 1,097,877,083,834,786,176
  5. Step 5: Solve for x
    x = 1,097,877,083,834,786,176/1,212,857,586.55
  6. Step 6: Final answer
    x = 905,198,677.91

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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.