Home / 289,785,574.50-399,867,737.49-195,903,992.22

Finding the Fourth Proportional to 289,785,574.50, 399,867,737.49 and 195,903,992.22

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Solution

The fourth proportional to 289,785,574.50, 399,867,737.49 and 195,903,992.22 is: 270,322,931.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,785,574.50 : 399,867,737.49 = 195,903,992.22 : x
  2. Step 2: Convert to fraction form
    289,785,574.50/399,867,737.49 = 195,903,992.22/x
  3. Step 3: Cross multiply
    289,785,574.50x = 399,867,737.49 × 195,903,992.22
  4. Step 4: Simplify right side
    289,785,574.50x = 78,335,686,134,269,968
  5. Step 5: Solve for x
    x = 78,335,686,134,269,968/289,785,574.50
  6. Step 6: Final answer
    x = 270,322,931.95

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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.