Home / 1,328,737,253.77-1,833,713,121.79-764,222,292.72

Finding the Fourth Proportional to 1,328,737,253.77, 1,833,713,121.79 and 764,222,292.72

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Solution

The fourth proportional to 1,328,737,253.77, 1,833,713,121.79 and 764,222,292.72 is: 1,054,658,806.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,737,253.77 : 1,833,713,121.79 = 764,222,292.72 : x
  2. Step 2: Convert to fraction form
    1,328,737,253.77/1,833,713,121.79 = 764,222,292.72/x
  3. Step 3: Cross multiply
    1,328,737,253.77x = 1,833,713,121.79 × 764,222,292.72
  4. Step 4: Simplify right side
    1,328,737,253.77x = 1,401,364,446,112,112,896
  5. Step 5: Solve for x
    x = 1,401,364,446,112,112,896/1,328,737,253.77
  6. Step 6: Final answer
    x = 1,054,658,806.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.