Home / 1,328,999,954.80-1,834,039,179.48-734,298,121.84

Finding the Fourth Proportional to 1,328,999,954.80, 1,834,039,179.48 and 734,298,121.84

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Solution

The fourth proportional to 1,328,999,954.80, 1,834,039,179.48 and 734,298,121.84 is: 1,013,342,039.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,999,954.80 : 1,834,039,179.48 = 734,298,121.84 : x
  2. Step 2: Convert to fraction form
    1,328,999,954.80/1,834,039,179.48 = 734,298,121.84/x
  3. Step 3: Cross multiply
    1,328,999,954.80x = 1,834,039,179.48 × 734,298,121.84
  4. Step 4: Simplify right side
    1,328,999,954.80x = 1,346,731,524,873,138,688
  5. Step 5: Solve for x
    x = 1,346,731,524,873,138,688/1,328,999,954.80
  6. Step 6: Final answer
    x = 1,013,342,039.64

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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.