Home / 3,109,038,339.81-4,289,993,474.96-1,770,757,821

Finding the Fourth Proportional to 3,109,038,339.81, 4,289,993,474.96 and 1,770,757,821

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Solution

The fourth proportional to 3,109,038,339.81, 4,289,993,474.96 and 1,770,757,821 is: 2,443,372,730.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109,038,339.81 : 4,289,993,474.96 = 1,770,757,821 : x
  2. Step 2: Convert to fraction form
    3,109,038,339.81/4,289,993,474.96 = 1,770,757,821/x
  3. Step 3: Cross multiply
    3,109,038,339.81x = 4,289,993,474.96 × 1,770,757,821
  4. Step 4: Simplify right side
    3,109,038,339.81x = 7,596,539,497,818,544,128
  5. Step 5: Solve for x
    x = 7,596,539,497,818,544,128/3,109,038,339.81
  6. Step 6: Final answer
    x = 2,443,372,730.58

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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.