Home / 20,283,705,901.20-30,425,558,851.80-5,561,703,699.60

Finding the Fourth Proportional to 20,283,705,901.20, 30,425,558,851.80 and 5,561,703,699.60

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Solution

The fourth proportional to 20,283,705,901.20, 30,425,558,851.80 and 5,561,703,699.60 is: 8,342,555,549.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,283,705,901.20 : 30,425,558,851.80 = 5,561,703,699.60 : x
  2. Step 2: Convert to fraction form
    20,283,705,901.20/30,425,558,851.80 = 5,561,703,699.60/x
  3. Step 3: Cross multiply
    20,283,705,901.20x = 30,425,558,851.80 × 5,561,703,699.60
  4. Step 4: Simplify right side
    20,283,705,901.20x = 169,217,943,228,453,584,896
  5. Step 5: Solve for x
    x = 169,217,943,228,453,584,896/20,283,705,901.20
  6. Step 6: Final answer
    x = 8,342,555,549.40

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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.