Home / 919,554,167.20-1,379,331,250.80-819,784,976.80

Finding the Fourth Proportional to 919,554,167.20, 1,379,331,250.80 and 819,784,976.80

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Solution

The fourth proportional to 919,554,167.20, 1,379,331,250.80 and 819,784,976.80 is: 1,229,677,465.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,554,167.20 : 1,379,331,250.80 = 819,784,976.80 : x
  2. Step 2: Convert to fraction form
    919,554,167.20/1,379,331,250.80 = 819,784,976.80/x
  3. Step 3: Cross multiply
    919,554,167.20x = 1,379,331,250.80 × 819,784,976.80
  4. Step 4: Simplify right side
    919,554,167.20x = 1,130,755,037,436,592,896
  5. Step 5: Solve for x
    x = 1,130,755,037,436,592,896/919,554,167.20
  6. Step 6: Final answer
    x = 1,229,677,465.20

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Double scale
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Similar ratio
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1.5x scale

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.