Home / 682,595,415.36-941,974,966.98-369,322,755.66

Finding the Fourth Proportional to 682,595,415.36, 941,974,966.98 and 369,322,755.66

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Solution

The fourth proportional to 682,595,415.36, 941,974,966.98 and 369,322,755.66 is: 509,661,774.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,595,415.36 : 941,974,966.98 = 369,322,755.66 : x
  2. Step 2: Convert to fraction form
    682,595,415.36/941,974,966.98 = 369,322,755.66/x
  3. Step 3: Cross multiply
    682,595,415.36x = 941,974,966.98 × 369,322,755.66
  4. Step 4: Simplify right side
    682,595,415.36x = 347,892,790,567,791,168
  5. Step 5: Solve for x
    x = 347,892,790,567,791,168/682,595,415.36
  6. Step 6: Final answer
    x = 509,661,774.37

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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.