Home / 545,631,521.49-819,029,909.85-234,892,939.41

Finding the Fourth Proportional to 545,631,521.49, 819,029,909.85 and 234,892,939.41

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Solution

The fourth proportional to 545,631,521.49, 819,029,909.85 and 234,892,939.41 is: 352,590,228.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,631,521.49 : 819,029,909.85 = 234,892,939.41 : x
  2. Step 2: Convert to fraction form
    545,631,521.49/819,029,909.85 = 234,892,939.41/x
  3. Step 3: Cross multiply
    545,631,521.49x = 819,029,909.85 × 234,892,939.41
  4. Step 4: Simplify right side
    545,631,521.49x = 192,384,342,989,373,824
  5. Step 5: Solve for x
    x = 192,384,342,989,373,824/545,631,521.49
  6. Step 6: Final answer
    x = 352,590,228.78

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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.