Home / 1,208,488,332,550.90-1,668,466,677,399.30-769,273,628,639.10

Finding the Fourth Proportional to 1,208,488,332,550.90, 1,668,466,677,399.30 and 769,273,628,639.10

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Solution

The fourth proportional to 1,208,488,332,550.90, 1,668,466,677,399.30 and 769,273,628,639.10 is: 1,062,076,795,128.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,488,332,550.90 : 1,668,466,677,399.30 = 769,273,628,639.10 : x
  2. Step 2: Convert to fraction form
    1,208,488,332,550.90/1,668,466,677,399.30 = 769,273,628,639.10/x
  3. Step 3: Cross multiply
    1,208,488,332,550.90x = 1,668,466,677,399.30 × 769,273,628,639.10
  4. Step 4: Simplify right side
    1,208,488,332,550.90x = 1,283,507,415,186,382,040,072,192
  5. Step 5: Solve for x
    x = 1,283,507,415,186,382,040,072,192/1,208,488,332,550.90
  6. Step 6: Final answer
    x = 1,062,076,795,128.94

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Double scale
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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.