Home / 699,514,393.12-1,049,634,731.80-285,295,105.96

Finding the Fourth Proportional to 699,514,393.12, 1,049,634,731.80 and 285,295,105.96

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Solution

The fourth proportional to 699,514,393.12, 1,049,634,731.80 and 285,295,105.96 is: 428,090,765.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,514,393.12 : 1,049,634,731.80 = 285,295,105.96 : x
  2. Step 2: Convert to fraction form
    699,514,393.12/1,049,634,731.80 = 285,295,105.96/x
  3. Step 3: Cross multiply
    699,514,393.12x = 1,049,634,731.80 × 285,295,105.96
  4. Step 4: Simplify right side
    699,514,393.12x = 299,455,652,028,177,152
  5. Step 5: Solve for x
    x = 299,455,652,028,177,152/699,514,393.12
  6. Step 6: Final answer
    x = 428,090,765.50

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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.