Home / 682,384,473,117.40-941,720,174,248.75-377,890,129,098.72

Finding the Fourth Proportional to 682,384,473,117.40, 941,720,174,248.75 and 377,890,129,098.72

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Solution

The fourth proportional to 682,384,473,117.40, 941,720,174,248.75 and 377,890,129,098.72 is: 521,504,770,757.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,384,473,117.40 : 941,720,174,248.75 = 377,890,129,098.72 : x
  2. Step 2: Convert to fraction form
    682,384,473,117.40/941,720,174,248.75 = 377,890,129,098.72/x
  3. Step 3: Cross multiply
    682,384,473,117.40x = 941,720,174,248.75 × 377,890,129,098.72
  4. Step 4: Simplify right side
    682,384,473,117.40x = 355,866,758,221,729,231,798,272
  5. Step 5: Solve for x
    x = 355,866,758,221,729,231,798,272/682,384,473,117.40
  6. Step 6: Final answer
    x = 521,504,770,757.74

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Double scale
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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.