Home / 1,981,569,706.20-2,972,354,559.30-601,381,999.80

Finding the Fourth Proportional to 1,981,569,706.20, 2,972,354,559.30 and 601,381,999.80

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Solution

The fourth proportional to 1,981,569,706.20, 2,972,354,559.30 and 601,381,999.80 is: 902,072,999.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981,569,706.20 : 2,972,354,559.30 = 601,381,999.80 : x
  2. Step 2: Convert to fraction form
    1,981,569,706.20/2,972,354,559.30 = 601,381,999.80/x
  3. Step 3: Cross multiply
    1,981,569,706.20x = 2,972,354,559.30 × 601,381,999.80
  4. Step 4: Simplify right side
    1,981,569,706.20x = 1,787,520,528,986,481,664
  5. Step 5: Solve for x
    x = 1,787,520,528,986,481,664/1,981,569,706.20
  6. Step 6: Final answer
    x = 902,072,999.70

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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.