Home / 1,455,141,422.70-2,183,030,998.65-718,564,196.70

Finding the Fourth Proportional to 1,455,141,422.70, 2,183,030,998.65 and 718,564,196.70

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Solution

The fourth proportional to 1,455,141,422.70, 2,183,030,998.65 and 718,564,196.70 is: 1,078,003,753.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,141,422.70 : 2,183,030,998.65 = 718,564,196.70 : x
  2. Step 2: Convert to fraction form
    1,455,141,422.70/2,183,030,998.65 = 718,564,196.70/x
  3. Step 3: Cross multiply
    1,455,141,422.70x = 2,183,030,998.65 × 718,564,196.70
  4. Step 4: Simplify right side
    1,455,141,422.70x = 1,568,647,915,916,136,192
  5. Step 5: Solve for x
    x = 1,568,647,915,916,136,192/1,455,141,422.70
  6. Step 6: Final answer
    x = 1,078,003,753.76

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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.