Home / 726,852,865.20-1,090,279,297.80-436,615,220.40

Finding the Fourth Proportional to 726,852,865.20, 1,090,279,297.80 and 436,615,220.40

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Solution

The fourth proportional to 726,852,865.20, 1,090,279,297.80 and 436,615,220.40 is: 654,922,830.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,852,865.20 : 1,090,279,297.80 = 436,615,220.40 : x
  2. Step 2: Convert to fraction form
    726,852,865.20/1,090,279,297.80 = 436,615,220.40/x
  3. Step 3: Cross multiply
    726,852,865.20x = 1,090,279,297.80 × 436,615,220.40
  4. Step 4: Simplify right side
    726,852,865.20x = 476,032,535,906,504,192
  5. Step 5: Solve for x
    x = 476,032,535,906,504,192/726,852,865.20
  6. Step 6: Final answer
    x = 654,922,830.60

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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.