Home / 409,172,728.36-613,339,804.81-310,595,754.82

Finding the Fourth Proportional to 409,172,728.36, 613,339,804.81 and 310,595,754.82

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Solution

The fourth proportional to 409,172,728.36, 613,339,804.81 and 310,595,754.82 is: 465,575,358.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,172,728.36 : 613,339,804.81 = 310,595,754.82 : x
  2. Step 2: Convert to fraction form
    409,172,728.36/613,339,804.81 = 310,595,754.82/x
  3. Step 3: Cross multiply
    409,172,728.36x = 613,339,804.81 × 310,595,754.82
  4. Step 4: Simplify right side
    409,172,728.36x = 190,500,739,634,560,416
  5. Step 5: Solve for x
    x = 190,500,739,634,560,416/409,172,728.36
  6. Step 6: Final answer
    x = 465,575,358.35

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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.