Home / 598,590,143.80-897,885,215.70-394,348,838.20

Finding the Fourth Proportional to 598,590,143.80, 897,885,215.70 and 394,348,838.20

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Solution

The fourth proportional to 598,590,143.80, 897,885,215.70 and 394,348,838.20 is: 591,523,257.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,590,143.80 : 897,885,215.70 = 394,348,838.20 : x
  2. Step 2: Convert to fraction form
    598,590,143.80/897,885,215.70 = 394,348,838.20/x
  3. Step 3: Cross multiply
    598,590,143.80x = 897,885,215.70 × 394,348,838.20
  4. Step 4: Simplify right side
    598,590,143.80x = 354,079,991,648,251,392
  5. Step 5: Solve for x
    x = 354,079,991,648,251,392/598,590,143.80
  6. Step 6: Final answer
    x = 591,523,257.30

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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.