Home / 790,203,100,719.45-1,090,480,278,887.20-447,646,963,699.32

Finding the Fourth Proportional to 790,203,100,719.45, 1,090,480,278,887.20 and 447,646,963,699.32

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Solution

The fourth proportional to 790,203,100,719.45, 1,090,480,278,887.20 and 447,646,963,699.32 is: 617,752,809,845.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,203,100,719.45 : 1,090,480,278,887.20 = 447,646,963,699.32 : x
  2. Step 2: Convert to fraction form
    790,203,100,719.45/1,090,480,278,887.20 = 447,646,963,699.32/x
  3. Step 3: Cross multiply
    790,203,100,719.45x = 1,090,480,278,887.20 × 447,646,963,699.32
  4. Step 4: Simplify right side
    790,203,100,719.45x = 488,150,185,817,842,756,091,904
  5. Step 5: Solve for x
    x = 488,150,185,817,842,756,091,904/790,203,100,719.45
  6. Step 6: Final answer
    x = 617,752,809,845.22

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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.