Home / 1,231,545,656-1,698,171,126.36-784,801,334

Finding the Fourth Proportional to 1,231,545,656, 1,698,171,126.36 and 784,801,334

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Solution

The fourth proportional to 1,231,545,656, 1,698,171,126.36 and 784,801,334 is: 1,082,157,984.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,545,656 : 1,698,171,126.36 = 784,801,334 : x
  2. Step 2: Convert to fraction form
    1,231,545,656/1,698,171,126.36 = 784,801,334/x
  3. Step 3: Cross multiply
    1,231,545,656x = 1,698,171,126.36 × 784,801,334
  4. Step 4: Simplify right side
    1,231,545,656x = 1,332,726,965,327,610,368
  5. Step 5: Solve for x
    x = 1,332,726,965,327,610,368/1,231,545,656
  6. Step 6: Final answer
    x = 1,082,157,984.83

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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.