Home / 734,247,296.72-1,101,047,749.95-389,120,063.48

Finding the Fourth Proportional to 734,247,296.72, 1,101,047,749.95 and 389,120,063.48

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Solution

The fourth proportional to 734,247,296.72, 1,101,047,749.95 and 389,120,063.48 is: 583,508,815.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,247,296.72 : 1,101,047,749.95 = 389,120,063.48 : x
  2. Step 2: Convert to fraction form
    734,247,296.72/1,101,047,749.95 = 389,120,063.48/x
  3. Step 3: Cross multiply
    734,247,296.72x = 1,101,047,749.95 × 389,120,063.48
  4. Step 4: Simplify right side
    734,247,296.72x = 428,439,770,355,055,232
  5. Step 5: Solve for x
    x = 428,439,770,355,055,232/734,247,296.72
  6. Step 6: Final answer
    x = 583,508,815.45

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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.