Home / 587,116,883.74-810,173,379.85-345,674,749.15

Finding the Fourth Proportional to 587,116,883.74, 810,173,379.85 and 345,674,749.15

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Solution

The fourth proportional to 587,116,883.74, 810,173,379.85 and 345,674,749.15 is: 477,002,940.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,116,883.74 : 810,173,379.85 = 345,674,749.15 : x
  2. Step 2: Convert to fraction form
    587,116,883.74/810,173,379.85 = 345,674,749.15/x
  3. Step 3: Cross multiply
    587,116,883.74x = 810,173,379.85 × 345,674,749.15
  4. Step 4: Simplify right side
    587,116,883.74x = 280,056,479,847,656,416
  5. Step 5: Solve for x
    x = 280,056,479,847,656,416/587,116,883.74
  6. Step 6: Final answer
    x = 477,002,940.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.