Home / 591,787,312.89-815,998,185.32-442,630,423.41

Finding the Fourth Proportional to 591,787,312.89, 815,998,185.32 and 442,630,423.41

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Solution

The fourth proportional to 591,787,312.89, 815,998,185.32 and 442,630,423.41 is: 610,330,120.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,787,312.89 : 815,998,185.32 = 442,630,423.41 : x
  2. Step 2: Convert to fraction form
    591,787,312.89/815,998,185.32 = 442,630,423.41/x
  3. Step 3: Cross multiply
    591,787,312.89x = 815,998,185.32 × 442,630,423.41
  4. Step 4: Simplify right side
    591,787,312.89x = 361,185,622,267,770,112
  5. Step 5: Solve for x
    x = 361,185,622,267,770,112/591,787,312.89
  6. Step 6: Final answer
    x = 610,330,120.98

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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.