Home / 1,455,141,427.20-2,183,031,005.40-718,564,201.20

Finding the Fourth Proportional to 1,455,141,427.20, 2,183,031,005.40 and 718,564,201.20

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Solution

The fourth proportional to 1,455,141,427.20, 2,183,031,005.40 and 718,564,201.20 is: 1,078,003,760.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,141,427.20 : 2,183,031,005.40 = 718,564,201.20 : x
  2. Step 2: Convert to fraction form
    1,455,141,427.20/2,183,031,005.40 = 718,564,201.20/x
  3. Step 3: Cross multiply
    1,455,141,427.20x = 2,183,031,005.40 × 718,564,201.20
  4. Step 4: Simplify right side
    1,455,141,427.20x = 1,568,647,930,590,084,096
  5. Step 5: Solve for x
    x = 1,568,647,930,590,084,096/1,455,141,427.20
  6. Step 6: Final answer
    x = 1,078,003,760.51

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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.