Home / 661,390,123.76-992,087,860.32-267,924,391.03

Finding the Fourth Proportional to 661,390,123.76, 992,087,860.32 and 267,924,391.03

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Solution

The fourth proportional to 661,390,123.76, 992,087,860.32 and 267,924,391.03 is: 401,887,670.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,390,123.76 : 992,087,860.32 = 267,924,391.03 : x
  2. Step 2: Convert to fraction form
    661,390,123.76/992,087,860.32 = 267,924,391.03/x
  3. Step 3: Cross multiply
    661,390,123.76x = 992,087,860.32 × 267,924,391.03
  4. Step 4: Simplify right side
    661,390,123.76x = 265,804,535,818,191,648
  5. Step 5: Solve for x
    x = 265,804,535,818,191,648/661,390,123.76
  6. Step 6: Final answer
    x = 401,887,670.03

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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.