Home / 761,448,692.80-1,142,173,039.20-216,190,226.80

Finding the Fourth Proportional to 761,448,692.80, 1,142,173,039.20 and 216,190,226.80

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Solution

The fourth proportional to 761,448,692.80, 1,142,173,039.20 and 216,190,226.80 is: 324,285,340.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,448,692.80 : 1,142,173,039.20 = 216,190,226.80 : x
  2. Step 2: Convert to fraction form
    761,448,692.80/1,142,173,039.20 = 216,190,226.80/x
  3. Step 3: Cross multiply
    761,448,692.80x = 1,142,173,039.20 × 216,190,226.80
  4. Step 4: Simplify right side
    761,448,692.80x = 246,926,648,389,493,312
  5. Step 5: Solve for x
    x = 246,926,648,389,493,312/761,448,692.80
  6. Step 6: Final answer
    x = 324,285,340.20

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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.