Home / 1,212,776,661.15-1,819,164,991.73-1,202,572,993.95

Finding the Fourth Proportional to 1,212,776,661.15, 1,819,164,991.73 and 1,202,572,993.95

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Solution

The fourth proportional to 1,212,776,661.15, 1,819,164,991.73 and 1,202,572,993.95 is: 1,803,859,490.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,776,661.15 : 1,819,164,991.73 = 1,202,572,993.95 : x
  2. Step 2: Convert to fraction form
    1,212,776,661.15/1,819,164,991.73 = 1,202,572,993.95/x
  3. Step 3: Cross multiply
    1,212,776,661.15x = 1,819,164,991.73 × 1,202,572,993.95
  4. Step 4: Simplify right side
    1,212,776,661.15x = 2,187,678,690,587,760,128
  5. Step 5: Solve for x
    x = 2,187,678,690,587,760,128/1,212,776,661.15
  6. Step 6: Final answer
    x = 1,803,859,490.93

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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.