Home / 1,284,159,615.54-1,772,149,339.38-697,448,751.54

Finding the Fourth Proportional to 1,284,159,615.54, 1,772,149,339.38 and 697,448,751.54

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Solution

The fourth proportional to 1,284,159,615.54, 1,772,149,339.38 and 697,448,751.54 is: 962,484,203.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,159,615.54 : 1,772,149,339.38 = 697,448,751.54 : x
  2. Step 2: Convert to fraction form
    1,284,159,615.54/1,772,149,339.38 = 697,448,751.54/x
  3. Step 3: Cross multiply
    1,284,159,615.54x = 1,772,149,339.38 × 697,448,751.54
  4. Step 4: Simplify right side
    1,284,159,615.54x = 1,235,983,344,293,016,832
  5. Step 5: Solve for x
    x = 1,235,983,344,293,016,832/1,284,159,615.54
  6. Step 6: Final answer
    x = 962,484,203.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.