Home / 20,656,601,654.87-30,984,799,428.72-8,066,739,285.42

Finding the Fourth Proportional to 20,656,601,654.87, 30,984,799,428.72 and 8,066,739,285.42

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Solution

The fourth proportional to 20,656,601,654.87, 30,984,799,428.72 and 8,066,739,285.42 is: 12,100,068,684.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,656,601,654.87 : 30,984,799,428.72 = 8,066,739,285.42 : x
  2. Step 2: Convert to fraction form
    20,656,601,654.87/30,984,799,428.72 = 8,066,739,285.42/x
  3. Step 3: Cross multiply
    20,656,601,654.87x = 30,984,799,428.72 × 8,066,739,285.42
  4. Step 4: Simplify right side
    20,656,601,654.87x = 249,946,298,802,514,821,120
  5. Step 5: Solve for x
    x = 249,946,298,802,514,821,120/20,656,601,654.87
  6. Step 6: Final answer
    x = 12,100,068,684.03

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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.