Home / 825,243,271,238.70-1,238,430,346,156-288,021,231,496.20

Finding the Fourth Proportional to 825,243,271,238.70, 1,238,430,346,156 and 288,021,231,496.20

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Solution

The fourth proportional to 825,243,271,238.70, 1,238,430,346,156 and 288,021,231,496.20 is: 432,229,193,322.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,243,271,238.70 : 1,238,430,346,156 = 288,021,231,496.20 : x
  2. Step 2: Convert to fraction form
    825,243,271,238.70/1,238,430,346,156 = 288,021,231,496.20/x
  3. Step 3: Cross multiply
    825,243,271,238.70x = 1,238,430,346,156 × 288,021,231,496.20
  4. Step 4: Simplify right side
    825,243,271,238.70x = 356,694,233,422,116,360,814,592
  5. Step 5: Solve for x
    x = 356,694,233,422,116,360,814,592/825,243,271,238.70
  6. Step 6: Final answer
    x = 432,229,193,322.25

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Double scale
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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.