Home / 910,289,110.58-1,256,198,977.04-492,601,400.04

Finding the Fourth Proportional to 910,289,110.58, 1,256,198,977.04 and 492,601,400.04

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Solution

The fourth proportional to 910,289,110.58, 1,256,198,977.04 and 492,601,400.04 is: 679,789,934.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,289,110.58 : 1,256,198,977.04 = 492,601,400.04 : x
  2. Step 2: Convert to fraction form
    910,289,110.58/1,256,198,977.04 = 492,601,400.04/x
  3. Step 3: Cross multiply
    910,289,110.58x = 1,256,198,977.04 × 492,601,400.04
  4. Step 4: Simplify right side
    910,289,110.58x = 618,805,374,816,256,896
  5. Step 5: Solve for x
    x = 618,805,374,816,256,896/910,289,110.58
  6. Step 6: Final answer
    x = 679,789,934.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.