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Finding the Fourth Proportional to 652,799,399.10, 978,348,793.05 and 264,304,218.30

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Solution

The fourth proportional to 652,799,399.10, 978,348,793.05 and 264,304,218.30 is: 396,112,057.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,799,399.10 : 978,348,793.05 = 264,304,218.30 : x
  2. Step 2: Convert to fraction form
    652,799,399.10/978,348,793.05 = 264,304,218.30/x
  3. Step 3: Cross multiply
    652,799,399.10x = 978,348,793.05 × 264,304,218.30
  4. Step 4: Simplify right side
    652,799,399.10x = 258,581,712,971,828,736
  5. Step 5: Solve for x
    x = 258,581,712,971,828,736/652,799,399.10
  6. Step 6: Final answer
    x = 396,112,057.28

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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.