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Finding the Fourth Proportional to 655,622,011.20, 983,482,783.20 and 195,524,270.40

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Solution

The fourth proportional to 655,622,011.20, 983,482,783.20 and 195,524,270.40 is: 293,301,247.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,622,011.20 : 983,482,783.20 = 195,524,270.40 : x
  2. Step 2: Convert to fraction form
    655,622,011.20/983,482,783.20 = 195,524,270.40/x
  3. Step 3: Cross multiply
    655,622,011.20x = 983,482,783.20 × 195,524,270.40
  4. Step 4: Simplify right side
    655,622,011.20x = 192,294,753,636,141,408
  5. Step 5: Solve for x
    x = 192,294,753,636,141,408/655,622,011.20
  6. Step 6: Final answer
    x = 293,301,247.29

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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.