Home / 613,781,199.06-921,253,858.17-379,904,455.18

Finding the Fourth Proportional to 613,781,199.06, 921,253,858.17 and 379,904,455.18

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Solution

The fourth proportional to 613,781,199.06, 921,253,858.17 and 379,904,455.18 is: 570,216,952.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,781,199.06 : 921,253,858.17 = 379,904,455.18 : x
  2. Step 2: Convert to fraction form
    613,781,199.06/921,253,858.17 = 379,904,455.18/x
  3. Step 3: Cross multiply
    613,781,199.06x = 921,253,858.17 × 379,904,455.18
  4. Step 4: Simplify right side
    613,781,199.06x = 349,988,445,070,546,816
  5. Step 5: Solve for x
    x = 349,988,445,070,546,816/613,781,199.06
  6. Step 6: Final answer
    x = 570,216,952.89

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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.