Home / 682,384,472,999.28-941,720,174,085.85-377,890,128,980.76

Finding the Fourth Proportional to 682,384,472,999.28, 941,720,174,085.85 and 377,890,128,980.76

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Solution

The fourth proportional to 682,384,472,999.28, 941,720,174,085.85 and 377,890,128,980.76 is: 521,504,770,595.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,384,472,999.28 : 941,720,174,085.85 = 377,890,128,980.76 : x
  2. Step 2: Convert to fraction form
    682,384,472,999.28/941,720,174,085.85 = 377,890,128,980.76/x
  3. Step 3: Cross multiply
    682,384,472,999.28x = 941,720,174,085.85 × 377,890,128,980.76
  4. Step 4: Simplify right side
    682,384,472,999.28x = 355,866,758,049,085,639,360,512
  5. Step 5: Solve for x
    x = 355,866,758,049,085,639,360,512/682,384,472,999.28
  6. Step 6: Final answer
    x = 521,504,770,595.01

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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.