Home / 388,080,777.45-581,834,186.73-234,692,733.09

Finding the Fourth Proportional to 388,080,777.45, 581,834,186.73 and 234,692,733.09

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Solution

The fourth proportional to 388,080,777.45, 581,834,186.73 and 234,692,733.09 is: 351,865,548.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,080,777.45 : 581,834,186.73 = 234,692,733.09 : x
  2. Step 2: Convert to fraction form
    388,080,777.45/581,834,186.73 = 234,692,733.09/x
  3. Step 3: Cross multiply
    388,080,777.45x = 581,834,186.73 × 234,692,733.09
  4. Step 4: Simplify right side
    388,080,777.45x = 136,552,255,488,861,120
  5. Step 5: Solve for x
    x = 136,552,255,488,861,120/388,080,777.45
  6. Step 6: Final answer
    x = 351,865,548.16

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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.