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Finding the Fourth Proportional to 483,624,007.80, 725,436,011.70 and 120,118,363.80

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Solution

The fourth proportional to 483,624,007.80, 725,436,011.70 and 120,118,363.80 is: 180,177,545.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,624,007.80 : 725,436,011.70 = 120,118,363.80 : x
  2. Step 2: Convert to fraction form
    483,624,007.80/725,436,011.70 = 120,118,363.80/x
  3. Step 3: Cross multiply
    483,624,007.80x = 725,436,011.70 × 120,118,363.80
  4. Step 4: Simplify right side
    483,624,007.80x = 87,138,186,767,001,664
  5. Step 5: Solve for x
    x = 87,138,186,767,001,664/483,624,007.80
  6. Step 6: Final answer
    x = 180,177,545.70

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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.