Home / 421,612,366,039.68-581,825,065,134.72-241,171,273,287.92

Finding the Fourth Proportional to 421,612,366,039.68, 581,825,065,134.72 and 241,171,273,287.92

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Solution

The fourth proportional to 421,612,366,039.68, 581,825,065,134.72 and 241,171,273,287.92 is: 332,816,357,137.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,612,366,039.68 : 581,825,065,134.72 = 241,171,273,287.92 : x
  2. Step 2: Convert to fraction form
    421,612,366,039.68/581,825,065,134.72 = 241,171,273,287.92/x
  3. Step 3: Cross multiply
    421,612,366,039.68x = 581,825,065,134.72 × 241,171,273,287.92
  4. Step 4: Simplify right side
    421,612,366,039.68x = 140,319,491,789,367,411,736,576
  5. Step 5: Solve for x
    x = 140,319,491,789,367,411,736,576/421,612,366,039.68
  6. Step 6: Final answer
    x = 332,816,357,137.31

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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.