Home / 20,698,227,116.40-31,047,340,674.60-14,820,914,809.20

Finding the Fourth Proportional to 20,698,227,116.40, 31,047,340,674.60 and 14,820,914,809.20

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Solution

The fourth proportional to 20,698,227,116.40, 31,047,340,674.60 and 14,820,914,809.20 is: 22,231,372,213.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,698,227,116.40 : 31,047,340,674.60 = 14,820,914,809.20 : x
  2. Step 2: Convert to fraction form
    20,698,227,116.40/31,047,340,674.60 = 14,820,914,809.20/x
  3. Step 3: Cross multiply
    20,698,227,116.40x = 31,047,340,674.60 × 14,820,914,809.20
  4. Step 4: Simplify right side
    20,698,227,116.40x = 460,149,991,190,456,631,296
  5. Step 5: Solve for x
    x = 460,149,991,190,456,631,296/20,698,227,116.40
  6. Step 6: Final answer
    x = 22,231,372,213.80

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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.