Home / 611,856,986.96-844,336,239.09-347,538,157.13

Finding the Fourth Proportional to 611,856,986.96, 844,336,239.09 and 347,538,157.13

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Solution

The fourth proportional to 611,856,986.96, 844,336,239.09 and 347,538,157.13 is: 479,587,659.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,856,986.96 : 844,336,239.09 = 347,538,157.13 : x
  2. Step 2: Convert to fraction form
    611,856,986.96/844,336,239.09 = 347,538,157.13/x
  3. Step 3: Cross multiply
    611,856,986.96x = 844,336,239.09 × 347,538,157.13
  4. Step 4: Simplify right side
    611,856,986.96x = 293,439,060,532,221,248
  5. Step 5: Solve for x
    x = 293,439,060,532,221,248/611,856,986.96
  6. Step 6: Final answer
    x = 479,587,659.84

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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.