Home / 721,206,425.66-995,255,101.04-403,666,577.24

Finding the Fourth Proportional to 721,206,425.66, 995,255,101.04 and 403,666,577.24

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Solution

The fourth proportional to 721,206,425.66, 995,255,101.04 and 403,666,577.24 is: 557,054,410.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,206,425.66 : 995,255,101.04 = 403,666,577.24 : x
  2. Step 2: Convert to fraction form
    721,206,425.66/995,255,101.04 = 403,666,577.24/x
  3. Step 3: Cross multiply
    721,206,425.66x = 995,255,101.04 × 403,666,577.24
  4. Step 4: Simplify right side
    721,206,425.66x = 401,751,220,117,467,136
  5. Step 5: Solve for x
    x = 401,751,220,117,467,136/721,206,425.66
  6. Step 6: Final answer
    x = 557,054,410.25

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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.