Home / 37,698,548,308.56-52,024,154,350.20-20,781,824,538.96

Finding the Fourth Proportional to 37,698,548,308.56, 52,024,154,350.20 and 20,781,824,538.96

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Solution

The fourth proportional to 37,698,548,308.56, 52,024,154,350.20 and 20,781,824,538.96 is: 28,679,004,789.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,698,548,308.56 : 52,024,154,350.20 = 20,781,824,538.96 : x
  2. Step 2: Convert to fraction form
    37,698,548,308.56/52,024,154,350.20 = 20,781,824,538.96/x
  3. Step 3: Cross multiply
    37,698,548,308.56x = 52,024,154,350.20 × 20,781,824,538.96
  4. Step 4: Simplify right side
    37,698,548,308.56x = 1,081,156,847,493,628,821,504
  5. Step 5: Solve for x
    x = 1,081,156,847,493,628,821,504/37,698,548,308.56
  6. Step 6: Final answer
    x = 28,679,004,789.37

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.