Home / 1,110,926,169.72-1,666,385,933.04-281,878,209.72

Finding the Fourth Proportional to 1,110,926,169.72, 1,666,385,933.04 and 281,878,209.72

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Solution

The fourth proportional to 1,110,926,169.72, 1,666,385,933.04 and 281,878,209.72 is: 422,816,471.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,926,169.72 : 1,666,385,933.04 = 281,878,209.72 : x
  2. Step 2: Convert to fraction form
    1,110,926,169.72/1,666,385,933.04 = 281,878,209.72/x
  3. Step 3: Cross multiply
    1,110,926,169.72x = 1,666,385,933.04 × 281,878,209.72
  4. Step 4: Simplify right side
    1,110,926,169.72x = 469,717,883,507,907,008
  5. Step 5: Solve for x
    x = 469,717,883,507,907,008/1,110,926,169.72
  6. Step 6: Final answer
    x = 422,816,471.80

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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.