Home / 2,131,392,133.60-3,197,088,200.40-2,039,559,128.80

Finding the Fourth Proportional to 2,131,392,133.60, 3,197,088,200.40 and 2,039,559,128.80

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Solution

The fourth proportional to 2,131,392,133.60, 3,197,088,200.40 and 2,039,559,128.80 is: 3,059,338,693.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,131,392,133.60 : 3,197,088,200.40 = 2,039,559,128.80 : x
  2. Step 2: Convert to fraction form
    2,131,392,133.60/3,197,088,200.40 = 2,039,559,128.80/x
  3. Step 3: Cross multiply
    2,131,392,133.60x = 3,197,088,200.40 × 2,039,559,128.80
  4. Step 4: Simplify right side
    2,131,392,133.60x = 6,520,650,424,704,583,680
  5. Step 5: Solve for x
    x = 6,520,650,424,704,583,680/2,131,392,133.60
  6. Step 6: Final answer
    x = 3,059,338,693.20

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Double scale
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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.