Home / 1,036,253,713.49-1,555,079,964.02-405,907,584.23

Finding the Fourth Proportional to 1,036,253,713.49, 1,555,079,964.02 and 405,907,584.23

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Solution

The fourth proportional to 1,036,253,713.49, 1,555,079,964.02 and 405,907,584.23 is: 609,135,333.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,253,713.49 : 1,555,079,964.02 = 405,907,584.23 : x
  2. Step 2: Convert to fraction form
    1,036,253,713.49/1,555,079,964.02 = 405,907,584.23/x
  3. Step 3: Cross multiply
    1,036,253,713.49x = 1,555,079,964.02 × 405,907,584.23
  4. Step 4: Simplify right side
    1,036,253,713.49x = 631,218,751,479,833,600
  5. Step 5: Solve for x
    x = 631,218,751,479,833,600/1,036,253,713.49
  6. Step 6: Final answer
    x = 609,135,333.62

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1.5x scale

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.