Home / 790,203,100,720.72-1,090,480,278,888.90-447,646,963,700.58

Finding the Fourth Proportional to 790,203,100,720.72, 1,090,480,278,888.90 and 447,646,963,700.58

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Solution

The fourth proportional to 790,203,100,720.72, 1,090,480,278,888.90 and 447,646,963,700.58 is: 617,752,809,846.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,203,100,720.72 : 1,090,480,278,888.90 = 447,646,963,700.58 : x
  2. Step 2: Convert to fraction form
    790,203,100,720.72/1,090,480,278,888.90 = 447,646,963,700.58/x
  3. Step 3: Cross multiply
    790,203,100,720.72x = 1,090,480,278,888.90 × 447,646,963,700.58
  4. Step 4: Simplify right side
    790,203,100,720.72x = 488,150,185,819,977,824,600,064
  5. Step 5: Solve for x
    x = 488,150,185,819,977,824,600,064/790,203,100,720.72
  6. Step 6: Final answer
    x = 617,752,809,846.93

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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.