Home / 544,251,620.85-751,130,999.73-309,337,593.10

Finding the Fourth Proportional to 544,251,620.85, 751,130,999.73 and 309,337,593.10

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Solution

The fourth proportional to 544,251,620.85, 751,130,999.73 and 309,337,593.10 is: 426,922,119.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,251,620.85 : 751,130,999.73 = 309,337,593.10 : x
  2. Step 2: Convert to fraction form
    544,251,620.85/751,130,999.73 = 309,337,593.10/x
  3. Step 3: Cross multiply
    544,251,620.85x = 751,130,999.73 × 309,337,593.10
  4. Step 4: Simplify right side
    544,251,620.85x = 232,353,055,557,397,152
  5. Step 5: Solve for x
    x = 232,353,055,557,397,152/544,251,620.85
  6. Step 6: Final answer
    x = 426,922,119.58

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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.