Home / 1,105,764,770.28-1,658,653,356.04-368,832,651.76

Finding the Fourth Proportional to 1,105,764,770.28, 1,658,653,356.04 and 368,832,651.76

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Solution

The fourth proportional to 1,105,764,770.28, 1,658,653,356.04 and 368,832,651.76 is: 553,251,045.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,764,770.28 : 1,658,653,356.04 = 368,832,651.76 : x
  2. Step 2: Convert to fraction form
    1,105,764,770.28/1,658,653,356.04 = 368,832,651.76/x
  3. Step 3: Cross multiply
    1,105,764,770.28x = 1,658,653,356.04 × 368,832,651.76
  4. Step 4: Simplify right side
    1,105,764,770.28x = 611,765,515,658,856,576
  5. Step 5: Solve for x
    x = 611,765,515,658,856,576/1,105,764,770.28
  6. Step 6: Final answer
    x = 553,251,045.88

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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.