Home / 789,572,021.16-1,184,696,765.82-305,237,951.40

Finding the Fourth Proportional to 789,572,021.16, 1,184,696,765.82 and 305,237,951.40

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Solution

The fourth proportional to 789,572,021.16, 1,184,696,765.82 and 305,237,951.40 is: 457,987,877.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,572,021.16 : 1,184,696,765.82 = 305,237,951.40 : x
  2. Step 2: Convert to fraction form
    789,572,021.16/1,184,696,765.82 = 305,237,951.40/x
  3. Step 3: Cross multiply
    789,572,021.16x = 1,184,696,765.82 × 305,237,951.40
  4. Step 4: Simplify right side
    789,572,021.16x = 361,614,413,829,102,272
  5. Step 5: Solve for x
    x = 361,614,413,829,102,272/789,572,021.16
  6. Step 6: Final answer
    x = 457,987,877.15

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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.