Home / 490,446,128.05-734,942,692.54-403,624,218.22

Finding the Fourth Proportional to 490,446,128.05, 734,942,692.54 and 403,624,218.22

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Solution

The fourth proportional to 490,446,128.05, 734,942,692.54 and 403,624,218.22 is: 604,838,437.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,446,128.05 : 734,942,692.54 = 403,624,218.22 : x
  2. Step 2: Convert to fraction form
    490,446,128.05/734,942,692.54 = 403,624,218.22/x
  3. Step 3: Cross multiply
    490,446,128.05x = 734,942,692.54 × 403,624,218.22
  4. Step 4: Simplify right side
    490,446,128.05x = 296,640,669,712,959,360
  5. Step 5: Solve for x
    x = 296,640,669,712,959,360/490,446,128.05
  6. Step 6: Final answer
    x = 604,838,437.39

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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.