Home / 495,238,768.83-683,414,729.55-283,538,575.80

Finding the Fourth Proportional to 495,238,768.83, 683,414,729.55 and 283,538,575.80

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Solution

The fourth proportional to 495,238,768.83, 683,414,729.55 and 283,538,575.80 is: 391,274,777.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,238,768.83 : 683,414,729.55 = 283,538,575.80 : x
  2. Step 2: Convert to fraction form
    495,238,768.83/683,414,729.55 = 283,538,575.80/x
  3. Step 3: Cross multiply
    495,238,768.83x = 683,414,729.55 × 283,538,575.80
  4. Step 4: Simplify right side
    495,238,768.83x = 193,774,439,097,349,184
  5. Step 5: Solve for x
    x = 193,774,439,097,349,184/495,238,768.83
  6. Step 6: Final answer
    x = 391,274,777.53

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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.