Home / 1,105,764,763.20-1,658,653,345.39-368,832,644.64

Finding the Fourth Proportional to 1,105,764,763.20, 1,658,653,345.39 and 368,832,644.64

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Solution

The fourth proportional to 1,105,764,763.20, 1,658,653,345.39 and 368,832,644.64 is: 553,251,035.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,764,763.20 : 1,658,653,345.39 = 368,832,644.64 : x
  2. Step 2: Convert to fraction form
    1,105,764,763.20/1,658,653,345.39 = 368,832,644.64/x
  3. Step 3: Cross multiply
    1,105,764,763.20x = 1,658,653,345.39 × 368,832,644.64
  4. Step 4: Simplify right side
    1,105,764,763.20x = 611,765,499,924,401,536
  5. Step 5: Solve for x
    x = 611,765,499,924,401,536/1,105,764,763.20
  6. Step 6: Final answer
    x = 553,251,035.20

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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.