Home / 382,475,503.80-573,713,255.70-123,876,313.20

Finding the Fourth Proportional to 382,475,503.80, 573,713,255.70 and 123,876,313.20

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Solution

The fourth proportional to 382,475,503.80, 573,713,255.70 and 123,876,313.20 is: 185,814,469.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,475,503.80 : 573,713,255.70 = 123,876,313.20 : x
  2. Step 2: Convert to fraction form
    382,475,503.80/573,713,255.70 = 123,876,313.20/x
  3. Step 3: Cross multiply
    382,475,503.80x = 573,713,255.70 × 123,876,313.20
  4. Step 4: Simplify right side
    382,475,503.80x = 71,069,482,950,084,896
  5. Step 5: Solve for x
    x = 71,069,482,950,084,896/382,475,503.80
  6. Step 6: Final answer
    x = 185,814,469.80

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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.