Home / 20,667,651,539.20-31,001,477,308.80-20,667,651,539.20

Finding the Fourth Proportional to 20,667,651,539.20, 31,001,477,308.80 and 20,667,651,539.20

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Solution

The fourth proportional to 20,667,651,539.20, 31,001,477,308.80 and 20,667,651,539.20 is: 31,001,477,308.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,667,651,539.20 : 31,001,477,308.80 = 20,667,651,539.20 : x
  2. Step 2: Convert to fraction form
    20,667,651,539.20/31,001,477,308.80 = 20,667,651,539.20/x
  3. Step 3: Cross multiply
    20,667,651,539.20x = 31,001,477,308.80 × 20,667,651,539.20
  4. Step 4: Simplify right side
    20,667,651,539.20x = 640,727,730,218,694,213,632
  5. Step 5: Solve for x
    x = 640,727,730,218,694,213,632/20,667,651,539.20
  6. Step 6: Final answer
    x = 31,001,477,308.80

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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.