Home / 647,041,128.20-970,561,692.30-186,994,305.80

Finding the Fourth Proportional to 647,041,128.20, 970,561,692.30 and 186,994,305.80

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Solution

The fourth proportional to 647,041,128.20, 970,561,692.30 and 186,994,305.80 is: 280,491,458.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,041,128.20 : 970,561,692.30 = 186,994,305.80 : x
  2. Step 2: Convert to fraction form
    647,041,128.20/970,561,692.30 = 186,994,305.80/x
  3. Step 3: Cross multiply
    647,041,128.20x = 970,561,692.30 × 186,994,305.80
  4. Step 4: Simplify right side
    647,041,128.20x = 181,489,509,887,711,712
  5. Step 5: Solve for x
    x = 181,489,509,887,711,712/647,041,128.20
  6. Step 6: Final answer
    x = 280,491,458.70

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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.