Home / 2,132,352,055.20-3,198,528,082.80-678,476,445.60

Finding the Fourth Proportional to 2,132,352,055.20, 3,198,528,082.80 and 678,476,445.60

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Solution

The fourth proportional to 2,132,352,055.20, 3,198,528,082.80 and 678,476,445.60 is: 1,017,714,668.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,132,352,055.20 : 3,198,528,082.80 = 678,476,445.60 : x
  2. Step 2: Convert to fraction form
    2,132,352,055.20/3,198,528,082.80 = 678,476,445.60/x
  3. Step 3: Cross multiply
    2,132,352,055.20x = 3,198,528,082.80 × 678,476,445.60
  4. Step 4: Simplify right side
    2,132,352,055.20x = 2,170,125,964,769,926,656
  5. Step 5: Solve for x
    x = 2,170,125,964,769,926,656/2,132,352,055.20
  6. Step 6: Final answer
    x = 1,017,714,668.40

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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.