Home / 1,248,649,967.40-1,723,242,771.09-691,907,651.88

Finding the Fourth Proportional to 1,248,649,967.40, 1,723,242,771.09 and 691,907,651.88

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Solution

The fourth proportional to 1,248,649,967.40, 1,723,242,771.09 and 691,907,651.88 is: 954,891,194.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,649,967.40 : 1,723,242,771.09 = 691,907,651.88 : x
  2. Step 2: Convert to fraction form
    1,248,649,967.40/1,723,242,771.09 = 691,907,651.88/x
  3. Step 3: Cross multiply
    1,248,649,967.40x = 1,723,242,771.09 × 691,907,651.88
  4. Step 4: Simplify right side
    1,248,649,967.40x = 1,192,324,859,364,066,304
  5. Step 5: Solve for x
    x = 1,192,324,859,364,066,304/1,248,649,967.40
  6. Step 6: Final answer
    x = 954,891,194.89

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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.