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Finding the Fourth Proportional to 1,357,554,375.72, 1,873,372,301.70 and 829,801,999.08

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Solution

The fourth proportional to 1,357,554,375.72, 1,873,372,301.70 and 829,801,999.08 is: 1,145,094,523.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357,554,375.72 : 1,873,372,301.70 = 829,801,999.08 : x
  2. Step 2: Convert to fraction form
    1,357,554,375.72/1,873,372,301.70 = 829,801,999.08/x
  3. Step 3: Cross multiply
    1,357,554,375.72x = 1,873,372,301.70 × 829,801,999.08
  4. Step 4: Simplify right side
    1,357,554,375.72x = 1,554,528,080,971,760,896
  5. Step 5: Solve for x
    x = 1,554,528,080,971,760,896/1,357,554,375.72
  6. Step 6: Final answer
    x = 1,145,094,523.49

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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.