Home / 3,986,636,627.60-5,979,954,941.40-1,915,859,056.40

Finding the Fourth Proportional to 3,986,636,627.60, 5,979,954,941.40 and 1,915,859,056.40

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Solution

The fourth proportional to 3,986,636,627.60, 5,979,954,941.40 and 1,915,859,056.40 is: 2,873,788,584.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,986,636,627.60 : 5,979,954,941.40 = 1,915,859,056.40 : x
  2. Step 2: Convert to fraction form
    3,986,636,627.60/5,979,954,941.40 = 1,915,859,056.40/x
  3. Step 3: Cross multiply
    3,986,636,627.60x = 5,979,954,941.40 × 1,915,859,056.40
  4. Step 4: Simplify right side
    3,986,636,627.60x = 11,456,750,831,345,121,280
  5. Step 5: Solve for x
    x = 11,456,750,831,345,121,280/3,986,636,627.60
  6. Step 6: Final answer
    x = 2,873,788,584.60

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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.