Home / 20,162,516,741.80-30,243,775,112.70-5,440,514,540.20

Finding the Fourth Proportional to 20,162,516,741.80, 30,243,775,112.70 and 5,440,514,540.20

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Solution

The fourth proportional to 20,162,516,741.80, 30,243,775,112.70 and 5,440,514,540.20 is: 8,160,771,810.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,162,516,741.80 : 30,243,775,112.70 = 5,440,514,540.20 : x
  2. Step 2: Convert to fraction form
    20,162,516,741.80/30,243,775,112.70 = 5,440,514,540.20/x
  3. Step 3: Cross multiply
    20,162,516,741.80x = 30,243,775,112.70 × 5,440,514,540.20
  4. Step 4: Simplify right side
    20,162,516,741.80x = 164,541,698,251,183,226,880
  5. Step 5: Solve for x
    x = 164,541,698,251,183,226,880/20,162,516,741.80
  6. Step 6: Final answer
    x = 8,160,771,810.30

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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.