Home / 790,203,100,718.70-1,090,480,278,886.10-447,646,963,698.57

Finding the Fourth Proportional to 790,203,100,718.70, 1,090,480,278,886.10 and 447,646,963,698.57

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Solution

The fourth proportional to 790,203,100,718.70, 1,090,480,278,886.10 and 447,646,963,698.57 is: 617,752,809,844.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,203,100,718.70 : 1,090,480,278,886.10 = 447,646,963,698.57 : x
  2. Step 2: Convert to fraction form
    790,203,100,718.70/1,090,480,278,886.10 = 447,646,963,698.57/x
  3. Step 3: Cross multiply
    790,203,100,718.70x = 1,090,480,278,886.10 × 447,646,963,698.57
  4. Step 4: Simplify right side
    790,203,100,718.70x = 488,150,185,816,532,522,631,168
  5. Step 5: Solve for x
    x = 488,150,185,816,532,522,631,168/790,203,100,718.70
  6. Step 6: Final answer
    x = 617,752,809,844.15

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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.