Home / 737,272,738.91-1,105,901,533.86-426,182,409.79

Finding the Fourth Proportional to 737,272,738.91, 1,105,901,533.86 and 426,182,409.79

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Solution

The fourth proportional to 737,272,738.91, 1,105,901,533.86 and 426,182,409.79 is: 639,269,236.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,272,738.91 : 1,105,901,533.86 = 426,182,409.79 : x
  2. Step 2: Convert to fraction form
    737,272,738.91/1,105,901,533.86 = 426,182,409.79/x
  3. Step 3: Cross multiply
    737,272,738.91x = 1,105,901,533.86 × 426,182,409.79
  4. Step 4: Simplify right side
    737,272,738.91x = 471,315,780,686,527,872
  5. Step 5: Solve for x
    x = 471,315,780,686,527,872/737,272,738.91
  6. Step 6: Final answer
    x = 639,269,236.21

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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.