Home / 1,387,504,987.44-2,082,402,523.08-697,608,314.16

Finding the Fourth Proportional to 1,387,504,987.44, 2,082,402,523.08 and 697,608,314.16

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Solution

The fourth proportional to 1,387,504,987.44, 2,082,402,523.08 and 697,608,314.16 is: 1,046,988,174.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,504,987.44 : 2,082,402,523.08 = 697,608,314.16 : x
  2. Step 2: Convert to fraction form
    1,387,504,987.44/2,082,402,523.08 = 697,608,314.16/x
  3. Step 3: Cross multiply
    1,387,504,987.44x = 2,082,402,523.08 × 697,608,314.16
  4. Step 4: Simplify right side
    1,387,504,987.44x = 1,452,701,313,528,369,152
  5. Step 5: Solve for x
    x = 1,452,701,313,528,369,152/1,387,504,987.44
  6. Step 6: Final answer
    x = 1,046,988,174.23

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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.