Home / 682,384,473,001.28-941,720,174,088.61-377,890,128,982.76

Finding the Fourth Proportional to 682,384,473,001.28, 941,720,174,088.61 and 377,890,128,982.76

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Solution

The fourth proportional to 682,384,473,001.28, 941,720,174,088.61 and 377,890,128,982.76 is: 521,504,770,597.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,384,473,001.28 : 941,720,174,088.61 = 377,890,128,982.76 : x
  2. Step 2: Convert to fraction form
    682,384,473,001.28/941,720,174,088.61 = 377,890,128,982.76/x
  3. Step 3: Cross multiply
    682,384,473,001.28x = 941,720,174,088.61 × 377,890,128,982.76
  4. Step 4: Simplify right side
    682,384,473,001.28x = 355,866,758,052,012,055,592,960
  5. Step 5: Solve for x
    x = 355,866,758,052,012,055,592,960/682,384,473,001.28
  6. Step 6: Final answer
    x = 521,504,770,597.77

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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.