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Finding the Fourth Proportional to 590,449,080, 814,819,699.29 and 318,869,526.06

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Solution

The fourth proportional to 590,449,080, 814,819,699.29 and 318,869,526.06 is: 440,039,929.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,449,080 : 814,819,699.29 = 318,869,526.06 : x
  2. Step 2: Convert to fraction form
    590,449,080/814,819,699.29 = 318,869,526.06/x
  3. Step 3: Cross multiply
    590,449,080x = 814,819,699.29 × 318,869,526.06
  4. Step 4: Simplify right side
    590,449,080x = 259,821,171,336,954,016
  5. Step 5: Solve for x
    x = 259,821,171,336,954,016/590,449,080
  6. Step 6: Final answer
    x = 440,039,929.16

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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.