Home / 734,247,269.60-1,101,047,709.54-389,120,036.36

Finding the Fourth Proportional to 734,247,269.60, 1,101,047,709.54 and 389,120,036.36

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Solution

The fourth proportional to 734,247,269.60, 1,101,047,709.54 and 389,120,036.36 is: 583,508,774.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,247,269.60 : 1,101,047,709.54 = 389,120,036.36 : x
  2. Step 2: Convert to fraction form
    734,247,269.60/1,101,047,709.54 = 389,120,036.36/x
  3. Step 3: Cross multiply
    734,247,269.60x = 1,101,047,709.54 × 389,120,036.36
  4. Step 4: Simplify right side
    734,247,269.60x = 428,439,724,770,299,520
  5. Step 5: Solve for x
    x = 428,439,724,770,299,520/734,247,269.60
  6. Step 6: Final answer
    x = 583,508,774.92

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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.