Home / 469,830,523.79-704,741,297.78-285,648,850.57

Finding the Fourth Proportional to 469,830,523.79, 704,741,297.78 and 285,648,850.57

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Solution

The fourth proportional to 469,830,523.79, 704,741,297.78 and 285,648,850.57 is: 428,470,547.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,830,523.79 : 704,741,297.78 = 285,648,850.57 : x
  2. Step 2: Convert to fraction form
    469,830,523.79/704,741,297.78 = 285,648,850.57/x
  3. Step 3: Cross multiply
    469,830,523.79x = 704,741,297.78 × 285,648,850.57
  4. Step 4: Simplify right side
    469,830,523.79x = 201,308,541,660,067,072
  5. Step 5: Solve for x
    x = 201,308,541,660,067,072/469,830,523.79
  6. Step 6: Final answer
    x = 428,470,547.29

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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.