Home / 823,039,703.28-1,234,282,803.83-298,298,960.91

Finding the Fourth Proportional to 823,039,703.28, 1,234,282,803.83 and 298,298,960.91

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Solution

The fourth proportional to 823,039,703.28, 1,234,282,803.83 and 298,298,960.91 is: 447,348,136.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,039,703.28 : 1,234,282,803.83 = 298,298,960.91 : x
  2. Step 2: Convert to fraction form
    823,039,703.28/1,234,282,803.83 = 298,298,960.91/x
  3. Step 3: Cross multiply
    823,039,703.28x = 1,234,282,803.83 × 298,298,960.91
  4. Step 4: Simplify right side
    823,039,703.28x = 368,185,277,850,078,912
  5. Step 5: Solve for x
    x = 368,185,277,850,078,912/823,039,703.28
  6. Step 6: Final answer
    x = 447,348,136.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.