Home / 1,488,374,443.58-2,232,898,010.24-492,393,136.73

Finding the Fourth Proportional to 1,488,374,443.58, 2,232,898,010.24 and 492,393,136.73

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Solution

The fourth proportional to 1,488,374,443.58, 2,232,898,010.24 and 492,393,136.73 is: 738,700,976.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,374,443.58 : 2,232,898,010.24 = 492,393,136.73 : x
  2. Step 2: Convert to fraction form
    1,488,374,443.58/2,232,898,010.24 = 492,393,136.73/x
  3. Step 3: Cross multiply
    1,488,374,443.58x = 2,232,898,010.24 × 492,393,136.73
  4. Step 4: Simplify right side
    1,488,374,443.58x = 1,099,463,655,246,622,976
  5. Step 5: Solve for x
    x = 1,099,463,655,246,622,976/1,488,374,443.58
  6. Step 6: Final answer
    x = 738,700,976.76

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Double scale
Find fourth proportional to 1,488,374,444.58, 2,232,898,011.74 and 492,393,137.73
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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.