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Finding the Fourth Proportional to 805,798,573.60, 1,208,697,860.40 and 560,910,560.80

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Solution

The fourth proportional to 805,798,573.60, 1,208,697,860.40 and 560,910,560.80 is: 841,365,841.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,798,573.60 : 1,208,697,860.40 = 560,910,560.80 : x
  2. Step 2: Convert to fraction form
    805,798,573.60/1,208,697,860.40 = 560,910,560.80/x
  3. Step 3: Cross multiply
    805,798,573.60x = 1,208,697,860.40 × 560,910,560.80
  4. Step 4: Simplify right side
    805,798,573.60x = 677,971,394,714,724,096
  5. Step 5: Solve for x
    x = 677,971,394,714,724,096/805,798,573.60
  6. Step 6: Final answer
    x = 841,365,841.20

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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.