Home / 1,212,776,600.40-1,819,164,900.60-1,202,572,933.20

Finding the Fourth Proportional to 1,212,776,600.40, 1,819,164,900.60 and 1,202,572,933.20

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Solution

The fourth proportional to 1,212,776,600.40, 1,819,164,900.60 and 1,202,572,933.20 is: 1,803,859,399.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,776,600.40 : 1,819,164,900.60 = 1,202,572,933.20 : x
  2. Step 2: Convert to fraction form
    1,212,776,600.40/1,819,164,900.60 = 1,202,572,933.20/x
  3. Step 3: Cross multiply
    1,212,776,600.40x = 1,819,164,900.60 × 1,202,572,933.20
  4. Step 4: Simplify right side
    1,212,776,600.40x = 2,187,678,470,489,028,352
  5. Step 5: Solve for x
    x = 2,187,678,470,489,028,352/1,212,776,600.40
  6. Step 6: Final answer
    x = 1,803,859,399.80

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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.