Home / 1,319,933,114.80-1,981,411,326.60-774,981,703.60

Finding the Fourth Proportional to 1,319,933,114.80, 1,981,411,326.60 and 774,981,703.60

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Solution

The fourth proportional to 1,319,933,114.80, 1,981,411,326.60 and 774,981,703.60 is: 1,163,360,103.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,933,114.80 : 1,981,411,326.60 = 774,981,703.60 : x
  2. Step 2: Convert to fraction form
    1,319,933,114.80/1,981,411,326.60 = 774,981,703.60/x
  3. Step 3: Cross multiply
    1,319,933,114.80x = 1,981,411,326.60 × 774,981,703.60
  4. Step 4: Simplify right side
    1,319,933,114.80x = 1,535,557,525,420,804,096
  5. Step 5: Solve for x
    x = 1,535,557,525,420,804,096/1,319,933,114.80
  6. Step 6: Final answer
    x = 1,163,360,103.78

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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.