Home / 656,028,312.40-984,054,132.60-195,972,158.80

Finding the Fourth Proportional to 656,028,312.40, 984,054,132.60 and 195,972,158.80

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Solution

The fourth proportional to 656,028,312.40, 984,054,132.60 and 195,972,158.80 is: 293,961,722.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,028,312.40 : 984,054,132.60 = 195,972,158.80 : x
  2. Step 2: Convert to fraction form
    656,028,312.40/984,054,132.60 = 195,972,158.80/x
  3. Step 3: Cross multiply
    656,028,312.40x = 984,054,132.60 × 195,972,158.80
  4. Step 4: Simplify right side
    656,028,312.40x = 192,847,212,741,683,488
  5. Step 5: Solve for x
    x = 192,847,212,741,683,488/656,028,312.40
  6. Step 6: Final answer
    x = 293,961,722.53

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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.