Home / 1,129,824,339.36-1,694,734,001.52-300,778,185.12

Finding the Fourth Proportional to 1,129,824,339.36, 1,694,734,001.52 and 300,778,185.12

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Solution

The fourth proportional to 1,129,824,339.36, 1,694,734,001.52 and 300,778,185.12 is: 451,166,610.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,824,339.36 : 1,694,734,001.52 = 300,778,185.12 : x
  2. Step 2: Convert to fraction form
    1,129,824,339.36/1,694,734,001.52 = 300,778,185.12/x
  3. Step 3: Cross multiply
    1,129,824,339.36x = 1,694,734,001.52 × 300,778,185.12
  4. Step 4: Simplify right side
    1,129,824,339.36x = 509,739,017,238,340,928
  5. Step 5: Solve for x
    x = 509,739,017,238,340,928/1,129,824,339.36
  6. Step 6: Final answer
    x = 451,166,610.14

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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.