Home / 734,247,270.11-1,101,047,710.27-389,120,036.87

Finding the Fourth Proportional to 734,247,270.11, 1,101,047,710.27 and 389,120,036.87

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Solution

The fourth proportional to 734,247,270.11, 1,101,047,710.27 and 389,120,036.87 is: 583,508,775.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,247,270.11 : 1,101,047,710.27 = 389,120,036.87 : x
  2. Step 2: Convert to fraction form
    734,247,270.11/1,101,047,710.27 = 389,120,036.87/x
  3. Step 3: Cross multiply
    734,247,270.11x = 1,101,047,710.27 × 389,120,036.87
  4. Step 4: Simplify right side
    734,247,270.11x = 428,439,725,615,891,456
  5. Step 5: Solve for x
    x = 428,439,725,615,891,456/734,247,270.11
  6. Step 6: Final answer
    x = 583,508,775.66

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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.