Home / 782,963,783.20-1,080,558,867.60-430,601,873.44

Finding the Fourth Proportional to 782,963,783.20, 1,080,558,867.60 and 430,601,873.44

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Solution

The fourth proportional to 782,963,783.20, 1,080,558,867.60 and 430,601,873.44 is: 594,268,448.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,963,783.20 : 1,080,558,867.60 = 430,601,873.44 : x
  2. Step 2: Convert to fraction form
    782,963,783.20/1,080,558,867.60 = 430,601,873.44/x
  3. Step 3: Cross multiply
    782,963,783.20x = 1,080,558,867.60 × 430,601,873.44
  4. Step 4: Simplify right side
    782,963,783.20x = 465,290,672,750,764,864
  5. Step 5: Solve for x
    x = 465,290,672,750,764,864/782,963,783.20
  6. Step 6: Final answer
    x = 594,268,448.60

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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.