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Finding the Fourth Proportional to 599,894,518.40, 899,841,777.60 and 190,992,003.20

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Solution

The fourth proportional to 599,894,518.40, 899,841,777.60 and 190,992,003.20 is: 286,488,004.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,894,518.40 : 899,841,777.60 = 190,992,003.20 : x
  2. Step 2: Convert to fraction form
    599,894,518.40/899,841,777.60 = 190,992,003.20/x
  3. Step 3: Cross multiply
    599,894,518.40x = 899,841,777.60 × 190,992,003.20
  4. Step 4: Simplify right side
    599,894,518.40x = 171,862,583,666,872,896
  5. Step 5: Solve for x
    x = 171,862,583,666,872,896/599,894,518.40
  6. Step 6: Final answer
    x = 286,488,004.80

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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.