Home / 885,358,961.72-1,328,325,779.76-263,579,571.86

Finding the Fourth Proportional to 885,358,961.72, 1,328,325,779.76 and 263,579,571.86

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Solution

The fourth proportional to 885,358,961.72, 1,328,325,779.76 and 263,579,571.86 is: 395,454,900.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,358,961.72 : 1,328,325,779.76 = 263,579,571.86 : x
  2. Step 2: Convert to fraction form
    885,358,961.72/1,328,325,779.76 = 263,579,571.86/x
  3. Step 3: Cross multiply
    885,358,961.72x = 1,328,325,779.76 × 263,579,571.86
  4. Step 4: Simplify right side
    885,358,961.72x = 350,119,540,319,741,440
  5. Step 5: Solve for x
    x = 350,119,540,319,741,440/885,358,961.72
  6. Step 6: Final answer
    x = 395,454,900.73

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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.