Home / 661,390,139.37-992,087,883.77-267,924,406.62

Finding the Fourth Proportional to 661,390,139.37, 992,087,883.77 and 267,924,406.62

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Solution

The fourth proportional to 661,390,139.37, 992,087,883.77 and 267,924,406.62 is: 401,887,693.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,390,139.37 : 992,087,883.77 = 267,924,406.62 : x
  2. Step 2: Convert to fraction form
    661,390,139.37/992,087,883.77 = 267,924,406.62/x
  3. Step 3: Cross multiply
    661,390,139.37x = 992,087,883.77 × 267,924,406.62
  4. Step 4: Simplify right side
    661,390,139.37x = 265,804,557,572,629,152
  5. Step 5: Solve for x
    x = 265,804,557,572,629,152/661,390,139.37
  6. Step 6: Final answer
    x = 401,887,693.44

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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.