Home / 1,172,781,208.86-1,618,469,673.54-690,006,858.73

Finding the Fourth Proportional to 1,172,781,208.86, 1,618,469,673.54 and 690,006,858.73

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Solution

The fourth proportional to 1,172,781,208.86, 1,618,469,673.54 and 690,006,858.73 is: 952,228,060.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,781,208.86 : 1,618,469,673.54 = 690,006,858.73 : x
  2. Step 2: Convert to fraction form
    1,172,781,208.86/1,618,469,673.54 = 690,006,858.73/x
  3. Step 3: Cross multiply
    1,172,781,208.86x = 1,618,469,673.54 × 690,006,858.73
  4. Step 4: Simplify right side
    1,172,781,208.86x = 1,116,755,175,389,104,000
  5. Step 5: Solve for x
    x = 1,116,755,175,389,104,000/1,172,781,208.86
  6. Step 6: Final answer
    x = 952,228,060.06

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Double scale
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1.5x scale

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.