Home / 639,578,410.20-959,367,615.30-593,661,907.80

Finding the Fourth Proportional to 639,578,410.20, 959,367,615.30 and 593,661,907.80

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Solution

The fourth proportional to 639,578,410.20, 959,367,615.30 and 593,661,907.80 is: 890,492,861.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,578,410.20 : 959,367,615.30 = 593,661,907.80 : x
  2. Step 2: Convert to fraction form
    639,578,410.20/959,367,615.30 = 593,661,907.80/x
  3. Step 3: Cross multiply
    639,578,410.20x = 959,367,615.30 × 593,661,907.80
  4. Step 4: Simplify right side
    639,578,410.20x = 569,540,008,780,534,400
  5. Step 5: Solve for x
    x = 569,540,008,780,534,400/639,578,410.20
  6. Step 6: Final answer
    x = 890,492,861.70

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Double scale
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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.