Home / 319,030,307.27-440,293,209.47-193,572,656.73

Finding the Fourth Proportional to 319,030,307.27, 440,293,209.47 and 193,572,656.73

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Solution

The fourth proportional to 319,030,307.27, 440,293,209.47 and 193,572,656.73 is: 267,149,309.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,030,307.27 : 440,293,209.47 = 193,572,656.73 : x
  2. Step 2: Convert to fraction form
    319,030,307.27/440,293,209.47 = 193,572,656.73/x
  3. Step 3: Cross multiply
    319,030,307.27x = 440,293,209.47 × 193,572,656.73
  4. Step 4: Simplify right side
    319,030,307.27x = 85,228,726,296,318,416
  5. Step 5: Solve for x
    x = 85,228,726,296,318,416/319,030,307.27
  6. Step 6: Final answer
    x = 267,149,309.50

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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.