Home / 6,243,267,386.72-9,361,161,215.17-1,987,120,346.35

Finding the Fourth Proportional to 6,243,267,386.72, 9,361,161,215.17 and 1,987,120,346.35

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Solution

The fourth proportional to 6,243,267,386.72, 9,361,161,215.17 and 1,987,120,346.35 is: 2,979,490,187.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,243,267,386.72 : 9,361,161,215.17 = 1,987,120,346.35 : x
  2. Step 2: Convert to fraction form
    6,243,267,386.72/9,361,161,215.17 = 1,987,120,346.35/x
  3. Step 3: Cross multiply
    6,243,267,386.72x = 9,361,161,215.17 × 1,987,120,346.35
  4. Step 4: Simplify right side
    6,243,267,386.72x = 18,601,753,916,116,860,928
  5. Step 5: Solve for x
    x = 18,601,753,916,116,860,928/6,243,267,386.72
  6. Step 6: Final answer
    x = 2,979,490,187.41

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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.