Home / 1,208,488,332,536.20-1,668,466,677,378.90-769,273,628,624.32

Finding the Fourth Proportional to 1,208,488,332,536.20, 1,668,466,677,378.90 and 769,273,628,624.32

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Solution

The fourth proportional to 1,208,488,332,536.20, 1,668,466,677,378.90 and 769,273,628,624.32 is: 1,062,076,795,108.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,488,332,536.20 : 1,668,466,677,378.90 = 769,273,628,624.32 : x
  2. Step 2: Convert to fraction form
    1,208,488,332,536.20/1,668,466,677,378.90 = 769,273,628,624.32/x
  3. Step 3: Cross multiply
    1,208,488,332,536.20x = 1,668,466,677,378.90 × 769,273,628,624.32
  4. Step 4: Simplify right side
    1,208,488,332,536.20x = 1,283,507,415,146,028,943,278,080
  5. Step 5: Solve for x
    x = 1,283,507,415,146,028,943,278,080/1,208,488,332,536.20
  6. Step 6: Final answer
    x = 1,062,076,795,108.47

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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.