Home / 2,916,287,850.78-4,024,487,395.71-1,578,177,605.34

Finding the Fourth Proportional to 2,916,287,850.78, 4,024,487,395.71 and 1,578,177,605.34

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Solution

The fourth proportional to 2,916,287,850.78, 4,024,487,395.71 and 1,578,177,605.34 is: 2,177,890,594.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916,287,850.78 : 4,024,487,395.71 = 1,578,177,605.34 : x
  2. Step 2: Convert to fraction form
    2,916,287,850.78/4,024,487,395.71 = 1,578,177,605.34/x
  3. Step 3: Cross multiply
    2,916,287,850.78x = 4,024,487,395.71 × 1,578,177,605.34
  4. Step 4: Simplify right side
    2,916,287,850.78x = 6,351,355,880,882,620,416
  5. Step 5: Solve for x
    x = 6,351,355,880,882,620,416/2,916,287,850.78
  6. Step 6: Final answer
    x = 2,177,890,594.44

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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.