Home / 519,481,271.16-780,465,017.79-333,100,376.37

Finding the Fourth Proportional to 519,481,271.16, 780,465,017.79 and 333,100,376.37

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Solution

The fourth proportional to 519,481,271.16, 780,465,017.79 and 333,100,376.37 is: 500,447,668.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,481,271.16 : 780,465,017.79 = 333,100,376.37 : x
  2. Step 2: Convert to fraction form
    519,481,271.16/780,465,017.79 = 333,100,376.37/x
  3. Step 3: Cross multiply
    519,481,271.16x = 780,465,017.79 × 333,100,376.37
  4. Step 4: Simplify right side
    519,481,271.16x = 259,973,191,169,467,744
  5. Step 5: Solve for x
    x = 259,973,191,169,467,744/519,481,271.16
  6. Step 6: Final answer
    x = 500,447,668.86

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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.