Home / 347,760,400.70-521,640,601.05-245,723,728.70

Finding the Fourth Proportional to 347,760,400.70, 521,640,601.05 and 245,723,728.70

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Solution

The fourth proportional to 347,760,400.70, 521,640,601.05 and 245,723,728.70 is: 368,585,593.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,760,400.70 : 521,640,601.05 = 245,723,728.70 : x
  2. Step 2: Convert to fraction form
    347,760,400.70/521,640,601.05 = 245,723,728.70/x
  3. Step 3: Cross multiply
    347,760,400.70x = 521,640,601.05 × 245,723,728.70
  4. Step 4: Simplify right side
    347,760,400.70x = 128,179,473,531,315,136
  5. Step 5: Solve for x
    x = 128,179,473,531,315,136/347,760,400.70
  6. Step 6: Final answer
    x = 368,585,593.05

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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.