Home / 1,208,488,332,533-1,668,466,677,374.40-769,273,628,621.13

Finding the Fourth Proportional to 1,208,488,332,533, 1,668,466,677,374.40 and 769,273,628,621.13

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Solution

The fourth proportional to 1,208,488,332,533, 1,668,466,677,374.40 and 769,273,628,621.13 is: 1,062,076,795,104.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,488,332,533 : 1,668,466,677,374.40 = 769,273,628,621.13 : x
  2. Step 2: Convert to fraction form
    1,208,488,332,533/1,668,466,677,374.40 = 769,273,628,621.13/x
  3. Step 3: Cross multiply
    1,208,488,332,533x = 1,668,466,677,374.40 × 769,273,628,621.13
  4. Step 4: Simplify right side
    1,208,488,332,533x = 1,283,507,415,137,244,929,851,392
  5. Step 5: Solve for x
    x = 1,283,507,415,137,244,929,851,392/1,208,488,332,533
  6. Step 6: Final answer
    x = 1,062,076,795,104.02

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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.