Home / 767,248,808.06-1,058,801,363.64-428,153,728.14

Finding the Fourth Proportional to 767,248,808.06, 1,058,801,363.64 and 428,153,728.14

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Solution

The fourth proportional to 767,248,808.06, 1,058,801,363.64 and 428,153,728.14 is: 590,851,033.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,248,808.06 : 1,058,801,363.64 = 428,153,728.14 : x
  2. Step 2: Convert to fraction form
    767,248,808.06/1,058,801,363.64 = 428,153,728.14/x
  3. Step 3: Cross multiply
    767,248,808.06x = 1,058,801,363.64 × 428,153,728.14
  4. Step 4: Simplify right side
    767,248,808.06x = 453,329,751,202,181,824
  5. Step 5: Solve for x
    x = 453,329,751,202,181,824/767,248,808.06
  6. Step 6: Final answer
    x = 590,851,033.51

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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.