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Finding the Fourth Proportional to 253,474,272,047.40, 380,211,408,071.10 and 253,474,272,047.40

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Solution

The fourth proportional to 253,474,272,047.40, 380,211,408,071.10 and 253,474,272,047.40 is: 380,211,408,071.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,474,272,047.40 : 380,211,408,071.10 = 253,474,272,047.40 : x
  2. Step 2: Convert to fraction form
    253,474,272,047.40/380,211,408,071.10 = 253,474,272,047.40/x
  3. Step 3: Cross multiply
    253,474,272,047.40x = 380,211,408,071.10 × 253,474,272,047.40
  4. Step 4: Simplify right side
    253,474,272,047.40x = 96,373,809,884,939,004,411,904
  5. Step 5: Solve for x
    x = 96,373,809,884,939,004,411,904/253,474,272,047.40
  6. Step 6: Final answer
    x = 380,211,408,071.10

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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.