Home / 682,595,426.61-941,974,982.51-369,322,766.91

Finding the Fourth Proportional to 682,595,426.61, 941,974,982.51 and 369,322,766.91

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Solution

The fourth proportional to 682,595,426.61, 941,974,982.51 and 369,322,766.91 is: 509,661,789.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,595,426.61 : 941,974,982.51 = 369,322,766.91 : x
  2. Step 2: Convert to fraction form
    682,595,426.61/941,974,982.51 = 369,322,766.91/x
  3. Step 3: Cross multiply
    682,595,426.61x = 941,974,982.51 × 369,322,766.91
  4. Step 4: Simplify right side
    682,595,426.61x = 347,892,806,898,745,472
  5. Step 5: Solve for x
    x = 347,892,806,898,745,472/682,595,426.61
  6. Step 6: Final answer
    x = 509,661,789.89

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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.