Home / 1,284,332,485.05-1,772,525,857.02-719,969,794.02

Finding the Fourth Proportional to 1,284,332,485.05, 1,772,525,857.02 and 719,969,794.02

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Solution

The fourth proportional to 1,284,332,485.05, 1,772,525,857.02 and 719,969,794.02 is: 993,640,736.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,332,485.05 : 1,772,525,857.02 = 719,969,794.02 : x
  2. Step 2: Convert to fraction form
    1,284,332,485.05/1,772,525,857.02 = 719,969,794.02/x
  3. Step 3: Cross multiply
    1,284,332,485.05x = 1,772,525,857.02 × 719,969,794.02
  4. Step 4: Simplify right side
    1,284,332,485.05x = 1,276,165,076,173,813,248
  5. Step 5: Solve for x
    x = 1,276,165,076,173,813,248/1,284,332,485.05
  6. Step 6: Final answer
    x = 993,640,736.36

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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.