Home / 1,786,709,400.26-2,679,967,112.04-543,042,899.64

Finding the Fourth Proportional to 1,786,709,400.26, 2,679,967,112.04 and 543,042,899.64

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Solution

The fourth proportional to 1,786,709,400.26, 2,679,967,112.04 and 543,042,899.64 is: 814,534,871.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786,709,400.26 : 2,679,967,112.04 = 543,042,899.64 : x
  2. Step 2: Convert to fraction form
    1,786,709,400.26/2,679,967,112.04 = 543,042,899.64/x
  3. Step 3: Cross multiply
    1,786,709,400.26x = 2,679,967,112.04 × 543,042,899.64
  4. Step 4: Simplify right side
    1,786,709,400.26x = 1,455,337,111,462,038,272
  5. Step 5: Solve for x
    x = 1,455,337,111,462,038,272/1,786,709,400.26
  6. Step 6: Final answer
    x = 814,534,871.34

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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.