Home / 1,213,753,228.50-1,819,892,591.04-475,939,221.18

Finding the Fourth Proportional to 1,213,753,228.50, 1,819,892,591.04 and 475,939,221.18

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Solution

The fourth proportional to 1,213,753,228.50, 1,819,892,591.04 and 475,939,221.18 is: 713,619,739.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,753,228.50 : 1,819,892,591.04 = 475,939,221.18 : x
  2. Step 2: Convert to fraction form
    1,213,753,228.50/1,819,892,591.04 = 475,939,221.18/x
  3. Step 3: Cross multiply
    1,213,753,228.50x = 1,819,892,591.04 × 475,939,221.18
  4. Step 4: Simplify right side
    1,213,753,228.50x = 866,158,262,410,829,824
  5. Step 5: Solve for x
    x = 866,158,262,410,829,824/1,213,753,228.50
  6. Step 6: Final answer
    x = 713,619,739.23

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Double scale
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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.