Home / 1,327,104,564.80-1,990,656,847.20-1,273,356,852.80

Finding the Fourth Proportional to 1,327,104,564.80, 1,990,656,847.20 and 1,273,356,852.80

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Solution

The fourth proportional to 1,327,104,564.80, 1,990,656,847.20 and 1,273,356,852.80 is: 1,910,035,279.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,104,564.80 : 1,990,656,847.20 = 1,273,356,852.80 : x
  2. Step 2: Convert to fraction form
    1,327,104,564.80/1,990,656,847.20 = 1,273,356,852.80/x
  3. Step 3: Cross multiply
    1,327,104,564.80x = 1,990,656,847.20 × 1,273,356,852.80
  4. Step 4: Simplify right side
    1,327,104,564.80x = 2,534,816,537,955,362,304
  5. Step 5: Solve for x
    x = 2,534,816,537,955,362,304/1,327,104,564.80
  6. Step 6: Final answer
    x = 1,910,035,279.20

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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.