Home / 1,400,907,485.70-1,933,256,226.65-765,835,651.49

Finding the Fourth Proportional to 1,400,907,485.70, 1,933,256,226.65 and 765,835,651.49

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Solution

The fourth proportional to 1,400,907,485.70, 1,933,256,226.65 and 765,835,651.49 is: 1,056,855,329.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400,907,485.70 : 1,933,256,226.65 = 765,835,651.49 : x
  2. Step 2: Convert to fraction form
    1,400,907,485.70/1,933,256,226.65 = 765,835,651.49/x
  3. Step 3: Cross multiply
    1,400,907,485.70x = 1,933,256,226.65 × 765,835,651.49
  4. Step 4: Simplify right side
    1,400,907,485.70x = 1,480,556,541,820,106,496
  5. Step 5: Solve for x
    x = 1,480,556,541,820,106,496/1,400,907,485.70
  6. Step 6: Final answer
    x = 1,056,855,329.09

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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.