Home / 721,360,717.32-995,371,587.84-403,804,458.48

Finding the Fourth Proportional to 721,360,717.32, 995,371,587.84 and 403,804,458.48

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Solution

The fourth proportional to 721,360,717.32, 995,371,587.84 and 403,804,458.48 is: 557,190,702.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,360,717.32 : 995,371,587.84 = 403,804,458.48 : x
  2. Step 2: Convert to fraction form
    721,360,717.32/995,371,587.84 = 403,804,458.48/x
  3. Step 3: Cross multiply
    721,360,717.32x = 995,371,587.84 × 403,804,458.48
  4. Step 4: Simplify right side
    721,360,717.32x = 401,935,485,014,108,992
  5. Step 5: Solve for x
    x = 401,935,485,014,108,992/721,360,717.32
  6. Step 6: Final answer
    x = 557,190,702.74

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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.