Home / 3,986,645,640.60-5,979,968,460.90-1,915,868,069.40

Finding the Fourth Proportional to 3,986,645,640.60, 5,979,968,460.90 and 1,915,868,069.40

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Solution

The fourth proportional to 3,986,645,640.60, 5,979,968,460.90 and 1,915,868,069.40 is: 2,873,802,104.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,986,645,640.60 : 5,979,968,460.90 = 1,915,868,069.40 : x
  2. Step 2: Convert to fraction form
    3,986,645,640.60/5,979,968,460.90 = 1,915,868,069.40/x
  3. Step 3: Cross multiply
    3,986,645,640.60x = 5,979,968,460.90 × 1,915,868,069.40
  4. Step 4: Simplify right side
    3,986,645,640.60x = 11,456,830,630,257,373,184
  5. Step 5: Solve for x
    x = 11,456,830,630,257,373,184/3,986,645,640.60
  6. Step 6: Final answer
    x = 2,873,802,104.10

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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.