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Finding the Fourth Proportional to 652,799,403.60, 978,348,799.80 and 264,304,222.80

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Solution

The fourth proportional to 652,799,403.60, 978,348,799.80 and 264,304,222.80 is: 396,112,064.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,799,403.60 : 978,348,799.80 = 264,304,222.80 : x
  2. Step 2: Convert to fraction form
    652,799,403.60/978,348,799.80 = 264,304,222.80/x
  3. Step 3: Cross multiply
    652,799,403.60x = 978,348,799.80 × 264,304,222.80
  4. Step 4: Simplify right side
    652,799,403.60x = 258,581,719,158,451,808
  5. Step 5: Solve for x
    x = 258,581,719,158,451,808/652,799,403.60
  6. Step 6: Final answer
    x = 396,112,064.03

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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.