Home / 648,659,785.18-973,155,531.64-188,597,954.48

Finding the Fourth Proportional to 648,659,785.18, 973,155,531.64 and 188,597,954.48

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Solution

The fourth proportional to 648,659,785.18, 973,155,531.64 and 188,597,954.48 is: 282,945,153.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,659,785.18 : 973,155,531.64 = 188,597,954.48 : x
  2. Step 2: Convert to fraction form
    648,659,785.18/973,155,531.64 = 188,597,954.48/x
  3. Step 3: Cross multiply
    648,659,785.18x = 973,155,531.64 × 188,597,954.48
  4. Step 4: Simplify right side
    648,659,785.18x = 183,535,142,658,200,896
  5. Step 5: Solve for x
    x = 183,535,142,658,200,896/648,659,785.18
  6. Step 6: Final answer
    x = 282,945,153.76

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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.