Home / 1,284,332,485.56-1,772,525,857.72-719,969,794.52

Finding the Fourth Proportional to 1,284,332,485.56, 1,772,525,857.72 and 719,969,794.52

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Solution

The fourth proportional to 1,284,332,485.56, 1,772,525,857.72 and 719,969,794.52 is: 993,640,737.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,332,485.56 : 1,772,525,857.72 = 719,969,794.52 : x
  2. Step 2: Convert to fraction form
    1,284,332,485.56/1,772,525,857.72 = 719,969,794.52/x
  3. Step 3: Cross multiply
    1,284,332,485.56x = 1,772,525,857.72 × 719,969,794.52
  4. Step 4: Simplify right side
    1,284,332,485.56x = 1,276,165,077,564,055,040
  5. Step 5: Solve for x
    x = 1,276,165,077,564,055,040/1,284,332,485.56
  6. Step 6: Final answer
    x = 993,640,737.05

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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.