Home / 812,050,692.24-1,120,600,960.47-459,619,116.20

Finding the Fourth Proportional to 812,050,692.24, 1,120,600,960.47 and 459,619,116.20

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Solution

The fourth proportional to 812,050,692.24, 1,120,600,960.47 and 459,619,116.20 is: 634,257,969.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,050,692.24 : 1,120,600,960.47 = 459,619,116.20 : x
  2. Step 2: Convert to fraction form
    812,050,692.24/1,120,600,960.47 = 459,619,116.20/x
  3. Step 3: Cross multiply
    812,050,692.24x = 1,120,600,960.47 × 459,619,116.20
  4. Step 4: Simplify right side
    812,050,692.24x = 515,049,623,064,092,544
  5. Step 5: Solve for x
    x = 515,049,623,064,092,544/812,050,692.24
  6. Step 6: Final answer
    x = 634,257,969.34

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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.