Home / 12,747,500,831.58-19,121,287,119.83-4,889,321,913.03

Finding the Fourth Proportional to 12,747,500,831.58, 19,121,287,119.83 and 4,889,321,913.03

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Solution

The fourth proportional to 12,747,500,831.58, 19,121,287,119.83 and 4,889,321,913.03 is: 7,333,996,628.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,747,500,831.58 : 19,121,287,119.83 = 4,889,321,913.03 : x
  2. Step 2: Convert to fraction form
    12,747,500,831.58/19,121,287,119.83 = 4,889,321,913.03/x
  3. Step 3: Cross multiply
    12,747,500,831.58x = 19,121,287,119.83 × 4,889,321,913.03
  4. Step 4: Simplify right side
    12,747,500,831.58x = 93,490,128,120,298,668,032
  5. Step 5: Solve for x
    x = 93,490,128,120,298,668,032/12,747,500,831.58
  6. Step 6: Final answer
    x = 7,333,996,628.48

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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.