Home / 558,321,209.44-769,064,340.49-425,932,364.45

Finding the Fourth Proportional to 558,321,209.44, 769,064,340.49 and 425,932,364.45

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Solution

The fourth proportional to 558,321,209.44, 769,064,340.49 and 425,932,364.45 is: 586,704,190.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,321,209.44 : 769,064,340.49 = 425,932,364.45 : x
  2. Step 2: Convert to fraction form
    558,321,209.44/769,064,340.49 = 425,932,364.45/x
  3. Step 3: Cross multiply
    558,321,209.44x = 769,064,340.49 × 425,932,364.45
  4. Step 4: Simplify right side
    558,321,209.44x = 327,569,392,959,943,360
  5. Step 5: Solve for x
    x = 327,569,392,959,943,360/558,321,209.44
  6. Step 6: Final answer
    x = 586,704,190.03

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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.