Home / 699,514,399.10-1,049,634,740.79-285,295,111.94

Finding the Fourth Proportional to 699,514,399.10, 1,049,634,740.79 and 285,295,111.94

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Solution

The fourth proportional to 699,514,399.10, 1,049,634,740.79 and 285,295,111.94 is: 428,090,774.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,514,399.10 : 1,049,634,740.79 = 285,295,111.94 : x
  2. Step 2: Convert to fraction form
    699,514,399.10/1,049,634,740.79 = 285,295,111.94/x
  3. Step 3: Cross multiply
    699,514,399.10x = 1,049,634,740.79 × 285,295,111.94
  4. Step 4: Simplify right side
    699,514,399.10x = 299,455,660,869,795,904
  5. Step 5: Solve for x
    x = 299,455,660,869,795,904/699,514,399.10
  6. Step 6: Final answer
    x = 428,090,774.48

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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.