Home / 845,937,308.72-1,268,388,577.14-403,415,335.34

Finding the Fourth Proportional to 845,937,308.72, 1,268,388,577.14 and 403,415,335.34

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Solution

The fourth proportional to 845,937,308.72, 1,268,388,577.14 and 403,415,335.34 is: 604,876,269.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,937,308.72 : 1,268,388,577.14 = 403,415,335.34 : x
  2. Step 2: Convert to fraction form
    845,937,308.72/1,268,388,577.14 = 403,415,335.34/x
  3. Step 3: Cross multiply
    845,937,308.72x = 1,268,388,577.14 × 403,415,335.34
  4. Step 4: Simplify right side
    845,937,308.72x = 511,687,403,182,016,640
  5. Step 5: Solve for x
    x = 511,687,403,182,016,640/845,937,308.72
  6. Step 6: Final answer
    x = 604,876,269.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.