Home / 1,379,770,852.98-2,069,539,689.87-447,073,959.54

Finding the Fourth Proportional to 1,379,770,852.98, 2,069,539,689.87 and 447,073,959.54

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Solution

The fourth proportional to 1,379,770,852.98, 2,069,539,689.87 and 447,073,959.54 is: 670,573,161.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,770,852.98 : 2,069,539,689.87 = 447,073,959.54 : x
  2. Step 2: Convert to fraction form
    1,379,770,852.98/2,069,539,689.87 = 447,073,959.54/x
  3. Step 3: Cross multiply
    1,379,770,852.98x = 2,069,539,689.87 × 447,073,959.54
  4. Step 4: Simplify right side
    1,379,770,852.98x = 925,237,303,575,364,480
  5. Step 5: Solve for x
    x = 925,237,303,575,364,480/1,379,770,852.98
  6. Step 6: Final answer
    x = 670,573,161.90

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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.