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Finding the Fourth Proportional to 935,372,360.30, 1,311,671,212.90 and 935,372,360.30

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Solution

The fourth proportional to 935,372,360.30, 1,311,671,212.90 and 935,372,360.30 is: 1,311,671,212.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,372,360.30 : 1,311,671,212.90 = 935,372,360.30 : x
  2. Step 2: Convert to fraction form
    935,372,360.30/1,311,671,212.90 = 935,372,360.30/x
  3. Step 3: Cross multiply
    935,372,360.30x = 1,311,671,212.90 × 935,372,360.30
  4. Step 4: Simplify right side
    935,372,360.30x = 1,226,900,998,347,836,928
  5. Step 5: Solve for x
    x = 1,226,900,998,347,836,928/935,372,360.30
  6. Step 6: Final answer
    x = 1,311,671,212.90

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.