Home / 554,904,220.80-832,104,388.80-209,743,132.80

Finding the Fourth Proportional to 554,904,220.80, 832,104,388.80 and 209,743,132.80

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Solution

The fourth proportional to 554,904,220.80, 832,104,388.80 and 209,743,132.80 is: 314,519,469.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,904,220.80 : 832,104,388.80 = 209,743,132.80 : x
  2. Step 2: Convert to fraction form
    554,904,220.80/832,104,388.80 = 209,743,132.80/x
  3. Step 3: Cross multiply
    554,904,220.80x = 832,104,388.80 × 209,743,132.80
  4. Step 4: Simplify right side
    554,904,220.80x = 174,528,181,323,541,248
  5. Step 5: Solve for x
    x = 174,528,181,323,541,248/554,904,220.80
  6. Step 6: Final answer
    x = 314,519,469.81

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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.