Home / 1,322,999,485.32-1,984,798,200.68-437,682,767.68

Finding the Fourth Proportional to 1,322,999,485.32, 1,984,798,200.68 and 437,682,767.68

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Solution

The fourth proportional to 1,322,999,485.32, 1,984,798,200.68 and 437,682,767.68 is: 656,623,059.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,999,485.32 : 1,984,798,200.68 = 437,682,767.68 : x
  2. Step 2: Convert to fraction form
    1,322,999,485.32/1,984,798,200.68 = 437,682,767.68/x
  3. Step 3: Cross multiply
    1,322,999,485.32x = 1,984,798,200.68 × 437,682,767.68
  4. Step 4: Simplify right side
    1,322,999,485.32x = 868,711,969,759,906,560
  5. Step 5: Solve for x
    x = 868,711,969,759,906,560/1,322,999,485.32
  6. Step 6: Final answer
    x = 656,623,059.49

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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.