Home / 1,208,488,332,532.30-1,668,466,677,373.50-769,273,628,620.45

Finding the Fourth Proportional to 1,208,488,332,532.30, 1,668,466,677,373.50 and 769,273,628,620.45

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Solution

The fourth proportional to 1,208,488,332,532.30, 1,668,466,677,373.50 and 769,273,628,620.45 is: 1,062,076,795,103.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,488,332,532.30 : 1,668,466,677,373.50 = 769,273,628,620.45 : x
  2. Step 2: Convert to fraction form
    1,208,488,332,532.30/1,668,466,677,373.50 = 769,273,628,620.45/x
  3. Step 3: Cross multiply
    1,208,488,332,532.30x = 1,668,466,677,373.50 × 769,273,628,620.45
  4. Step 4: Simplify right side
    1,208,488,332,532.30x = 1,283,507,415,135,417,958,137,856
  5. Step 5: Solve for x
    x = 1,283,507,415,135,417,958,137,856/1,208,488,332,532.30
  6. Step 6: Final answer
    x = 1,062,076,795,103.12

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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.