Home / 682,245,489.17-941,498,776.54-368,979,703.10

Finding the Fourth Proportional to 682,245,489.17, 941,498,776.54 and 368,979,703.10

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Solution

The fourth proportional to 682,245,489.17, 941,498,776.54 and 368,979,703.10 is: 509,191,991.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,245,489.17 : 941,498,776.54 = 368,979,703.10 : x
  2. Step 2: Convert to fraction form
    682,245,489.17/941,498,776.54 = 368,979,703.10/x
  3. Step 3: Cross multiply
    682,245,489.17x = 941,498,776.54 × 368,979,703.10
  4. Step 4: Simplify right side
    682,245,489.17x = 347,393,939,036,604,480
  5. Step 5: Solve for x
    x = 347,393,939,036,604,480/682,245,489.17
  6. Step 6: Final answer
    x = 509,191,991.08

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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.