Home / 443,839,988.58-611,997,953.13-331,972,321.47

Finding the Fourth Proportional to 443,839,988.58, 611,997,953.13 and 331,972,321.47

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Solution

The fourth proportional to 443,839,988.58, 611,997,953.13 and 331,972,321.47 is: 457,746,905.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,839,988.58 : 611,997,953.13 = 331,972,321.47 : x
  2. Step 2: Convert to fraction form
    443,839,988.58/611,997,953.13 = 331,972,321.47/x
  3. Step 3: Cross multiply
    443,839,988.58x = 611,997,953.13 × 331,972,321.47
  4. Step 4: Simplify right side
    443,839,988.58x = 203,166,381,235,454,368
  5. Step 5: Solve for x
    x = 203,166,381,235,454,368/443,839,988.58
  6. Step 6: Final answer
    x = 457,746,905.33

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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.