Home / 1,185,630,048.40-1,777,169,614.20-448,415,093.20

Finding the Fourth Proportional to 1,185,630,048.40, 1,777,169,614.20 and 448,415,093.20

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Solution

The fourth proportional to 1,185,630,048.40, 1,777,169,614.20 and 448,415,093.20 is: 672,140,250.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,630,048.40 : 1,777,169,614.20 = 448,415,093.20 : x
  2. Step 2: Convert to fraction form
    1,185,630,048.40/1,777,169,614.20 = 448,415,093.20/x
  3. Step 3: Cross multiply
    1,185,630,048.40x = 1,777,169,614.20 × 448,415,093.20
  4. Step 4: Simplify right side
    1,185,630,048.40x = 796,909,678,183,700,992
  5. Step 5: Solve for x
    x = 796,909,678,183,700,992/1,185,630,048.40
  6. Step 6: Final answer
    x = 672,140,250.88

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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.