Home / 412,405,201.92-569,139,608.95-255,822,759.75

Finding the Fourth Proportional to 412,405,201.92, 569,139,608.95 and 255,822,759.75

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Solution

The fourth proportional to 412,405,201.92, 569,139,608.95 and 255,822,759.75 is: 353,048,081.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,405,201.92 : 569,139,608.95 = 255,822,759.75 : x
  2. Step 2: Convert to fraction form
    412,405,201.92/569,139,608.95 = 255,822,759.75/x
  3. Step 3: Cross multiply
    412,405,201.92x = 569,139,608.95 × 255,822,759.75
  4. Step 4: Simplify right side
    412,405,201.92x = 145,598,865,443,985,248
  5. Step 5: Solve for x
    x = 145,598,865,443,985,248/412,405,201.92
  6. Step 6: Final answer
    x = 353,048,081.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.