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Finding the Fourth Proportional to 199,298,047.40, 298,947,071.10 and 199,298,047.40

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Solution

The fourth proportional to 199,298,047.40, 298,947,071.10 and 199,298,047.40 is: 298,947,071.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,298,047.40 : 298,947,071.10 = 199,298,047.40 : x
  2. Step 2: Convert to fraction form
    199,298,047.40/298,947,071.10 = 199,298,047.40/x
  3. Step 3: Cross multiply
    199,298,047.40x = 298,947,071.10 × 199,298,047.40
  4. Step 4: Simplify right side
    199,298,047.40x = 59,579,567,546,178,976
  5. Step 5: Solve for x
    x = 59,579,567,546,178,976/199,298,047.40
  6. Step 6: Final answer
    x = 298,947,071.10

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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.