Home / 395,996,380.82-546,502,626.49-261,801,144.51

Finding the Fourth Proportional to 395,996,380.82, 546,502,626.49 and 261,801,144.51

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Solution

The fourth proportional to 395,996,380.82, 546,502,626.49 and 261,801,144.51 is: 361,303,840.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,996,380.82 : 546,502,626.49 = 261,801,144.51 : x
  2. Step 2: Convert to fraction form
    395,996,380.82/546,502,626.49 = 261,801,144.51/x
  3. Step 3: Cross multiply
    395,996,380.82x = 546,502,626.49 × 261,801,144.51
  4. Step 4: Simplify right side
    395,996,380.82x = 143,075,013,090,070,528
  5. Step 5: Solve for x
    x = 143,075,013,090,070,528/395,996,380.82
  6. Step 6: Final answer
    x = 361,303,840.19

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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.