Home / 13,985,366,663.36-20,978,216,466.73-3,900,465,996.36

Finding the Fourth Proportional to 13,985,366,663.36, 20,978,216,466.73 and 3,900,465,996.36

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Solution

The fourth proportional to 13,985,366,663.36, 20,978,216,466.73 and 3,900,465,996.36 is: 5,850,745,422.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,985,366,663.36 : 20,978,216,466.73 = 3,900,465,996.36 : x
  2. Step 2: Convert to fraction form
    13,985,366,663.36/20,978,216,466.73 = 3,900,465,996.36/x
  3. Step 3: Cross multiply
    13,985,366,663.36x = 20,978,216,466.73 × 3,900,465,996.36
  4. Step 4: Simplify right side
    13,985,366,663.36x = 81,824,819,992,740,282,368
  5. Step 5: Solve for x
    x = 81,824,819,992,740,282,368/13,985,366,663.36
  6. Step 6: Final answer
    x = 5,850,745,422.86

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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.