Home / 621,695,846.26-858,015,501.57-353,836,808.36

Finding the Fourth Proportional to 621,695,846.26, 858,015,501.57 and 353,836,808.36

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Solution

The fourth proportional to 621,695,846.26, 858,015,501.57 and 353,836,808.36 is: 488,337,614.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,695,846.26 : 858,015,501.57 = 353,836,808.36 : x
  2. Step 2: Convert to fraction form
    621,695,846.26/858,015,501.57 = 353,836,808.36/x
  3. Step 3: Cross multiply
    621,695,846.26x = 858,015,501.57 × 353,836,808.36
  4. Step 4: Simplify right side
    621,695,846.26x = 303,597,466,597,852,288
  5. Step 5: Solve for x
    x = 303,597,466,597,852,288/621,695,846.26
  6. Step 6: Final answer
    x = 488,337,614.64

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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.