Home / 1,200,892,111.26-1,802,500,140.24-579,544,744.92

Finding the Fourth Proportional to 1,200,892,111.26, 1,802,500,140.24 and 579,544,744.92

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Solution

The fourth proportional to 1,200,892,111.26, 1,802,500,140.24 and 579,544,744.92 is: 869,877,880.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,892,111.26 : 1,802,500,140.24 = 579,544,744.92 : x
  2. Step 2: Convert to fraction form
    1,200,892,111.26/1,802,500,140.24 = 579,544,744.92/x
  3. Step 3: Cross multiply
    1,200,892,111.26x = 1,802,500,140.24 × 579,544,744.92
  4. Step 4: Simplify right side
    1,200,892,111.26x = 1,044,629,483,993,654,912
  5. Step 5: Solve for x
    x = 1,044,629,483,993,654,912/1,200,892,111.26
  6. Step 6: Final answer
    x = 869,877,880.12

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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.