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Finding the Fourth Proportional to 1,165,674,665.22, 1,748,320,474.04 and 418,535,771.06

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Solution

The fourth proportional to 1,165,674,665.22, 1,748,320,474.04 and 418,535,771.06 is: 627,734,889.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,674,665.22 : 1,748,320,474.04 = 418,535,771.06 : x
  2. Step 2: Convert to fraction form
    1,165,674,665.22/1,748,320,474.04 = 418,535,771.06/x
  3. Step 3: Cross multiply
    1,165,674,665.22x = 1,748,320,474.04 × 418,535,771.06
  4. Step 4: Simplify right side
    1,165,674,665.22x = 731,734,657,662,316,160
  5. Step 5: Solve for x
    x = 731,734,657,662,316,160/1,165,674,665.22
  6. Step 6: Final answer
    x = 627,734,889.93

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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.