Home / 12,747,500,833.28-19,121,287,122.36-4,889,321,914.73

Finding the Fourth Proportional to 12,747,500,833.28, 19,121,287,122.36 and 4,889,321,914.73

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Solution

The fourth proportional to 12,747,500,833.28, 19,121,287,122.36 and 4,889,321,914.73 is: 7,333,996,631.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,747,500,833.28 : 19,121,287,122.36 = 4,889,321,914.73 : x
  2. Step 2: Convert to fraction form
    12,747,500,833.28/19,121,287,122.36 = 4,889,321,914.73/x
  3. Step 3: Cross multiply
    12,747,500,833.28x = 19,121,287,122.36 × 4,889,321,914.73
  4. Step 4: Simplify right side
    12,747,500,833.28x = 93,490,128,165,249,007,616
  5. Step 5: Solve for x
    x = 93,490,128,165,249,007,616/12,747,500,833.28
  6. Step 6: Final answer
    x = 7,333,996,631.02

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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.