Home / 1,212,801,662.99-1,673,671,338.39-655,884,710.06

Finding the Fourth Proportional to 1,212,801,662.99, 1,673,671,338.39 and 655,884,710.06

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Solution

The fourth proportional to 1,212,801,662.99, 1,673,671,338.39 and 655,884,710.06 is: 905,123,627.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,801,662.99 : 1,673,671,338.39 = 655,884,710.06 : x
  2. Step 2: Convert to fraction form
    1,212,801,662.99/1,673,671,338.39 = 655,884,710.06/x
  3. Step 3: Cross multiply
    1,212,801,662.99x = 1,673,671,338.39 × 655,884,710.06
  4. Step 4: Simplify right side
    1,212,801,662.99x = 1,097,735,440,507,288,960
  5. Step 5: Solve for x
    x = 1,097,735,440,507,288,960/1,212,801,662.99
  6. Step 6: Final answer
    x = 905,123,627.39

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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.