Home / 782,641,789.92-1,080,059,086.56-430,232,634

Finding the Fourth Proportional to 782,641,789.92, 1,080,059,086.56 and 430,232,634

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Solution

The fourth proportional to 782,641,789.92, 1,080,059,086.56 and 430,232,634 is: 593,728,410.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,641,789.92 : 1,080,059,086.56 = 430,232,634 : x
  2. Step 2: Convert to fraction form
    782,641,789.92/1,080,059,086.56 = 430,232,634/x
  3. Step 3: Cross multiply
    782,641,789.92x = 1,080,059,086.56 × 430,232,634
  4. Step 4: Simplify right side
    782,641,789.92x = 464,676,665,686,342,784
  5. Step 5: Solve for x
    x = 464,676,665,686,342,784/782,641,789.92
  6. Step 6: Final answer
    x = 593,728,410.20

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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.