Home / 682,595,425.61-941,974,981.12-369,322,765.91

Finding the Fourth Proportional to 682,595,425.61, 941,974,981.12 and 369,322,765.91

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Solution

The fourth proportional to 682,595,425.61, 941,974,981.12 and 369,322,765.91 is: 509,661,788.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,595,425.61 : 941,974,981.12 = 369,322,765.91 : x
  2. Step 2: Convert to fraction form
    682,595,425.61/941,974,981.12 = 369,322,765.91/x
  3. Step 3: Cross multiply
    682,595,425.61x = 941,974,981.12 × 369,322,765.91
  4. Step 4: Simplify right side
    682,595,425.61x = 347,892,805,445,258,432
  5. Step 5: Solve for x
    x = 347,892,805,445,258,432/682,595,425.61
  6. Step 6: Final answer
    x = 509,661,788.51

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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.