Home / 2,907,809,820.80-4,362,909,124.80-1,068,443,676.80

Finding the Fourth Proportional to 2,907,809,820.80, 4,362,909,124.80 and 1,068,443,676.80

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Solution

The fourth proportional to 2,907,809,820.80, 4,362,909,124.80 and 1,068,443,676.80 is: 1,603,104,382.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,907,809,820.80 : 4,362,909,124.80 = 1,068,443,676.80 : x
  2. Step 2: Convert to fraction form
    2,907,809,820.80/4,362,909,124.80 = 1,068,443,676.80/x
  3. Step 3: Cross multiply
    2,907,809,820.80x = 4,362,909,124.80 × 1,068,443,676.80
  4. Step 4: Simplify right side
    2,907,809,820.80x = 4,661,522,666,845,582,336
  5. Step 5: Solve for x
    x = 4,661,522,666,845,582,336/2,907,809,820.80
  6. Step 6: Final answer
    x = 1,603,104,382.38

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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.