Home / 1,638,591,937,624.90-2,261,207,783,569.90-907,010,331,426.60

Finding the Fourth Proportional to 1,638,591,937,624.90, 2,261,207,783,569.90 and 907,010,331,426.60

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Solution

The fourth proportional to 1,638,591,937,624.90, 2,261,207,783,569.90 and 907,010,331,426.60 is: 1,251,647,084,369.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,591,937,624.90 : 2,261,207,783,569.90 = 907,010,331,426.60 : x
  2. Step 2: Convert to fraction form
    1,638,591,937,624.90/2,261,207,783,569.90 = 907,010,331,426.60/x
  3. Step 3: Cross multiply
    1,638,591,937,624.90x = 2,261,207,783,569.90 × 907,010,331,426.60
  4. Step 4: Simplify right side
    1,638,591,937,624.90x = 2,050,938,821,200,142,485,422,080
  5. Step 5: Solve for x
    x = 2,050,938,821,200,142,485,422,080/1,638,591,937,624.90
  6. Step 6: Final answer
    x = 1,251,647,084,369.85

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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.