Home / 347,754,211.48-479,911,611.54-191,118,472.12

Finding the Fourth Proportional to 347,754,211.48, 479,911,611.54 and 191,118,472.12

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Solution

The fourth proportional to 347,754,211.48, 479,911,611.54 and 191,118,472.12 is: 263,749,426.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,754,211.48 : 479,911,611.54 = 191,118,472.12 : x
  2. Step 2: Convert to fraction form
    347,754,211.48/479,911,611.54 = 191,118,472.12/x
  3. Step 3: Cross multiply
    347,754,211.48x = 479,911,611.54 × 191,118,472.12
  4. Step 4: Simplify right side
    347,754,211.48x = 91,719,973,950,171,760
  5. Step 5: Solve for x
    x = 91,719,973,950,171,760/347,754,211.48
  6. Step 6: Final answer
    x = 263,749,426.81

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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.