Home / 1,760,465,121.60-2,640,697,682.40-1,148,245,089.60

Finding the Fourth Proportional to 1,760,465,121.60, 2,640,697,682.40 and 1,148,245,089.60

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Solution

The fourth proportional to 1,760,465,121.60, 2,640,697,682.40 and 1,148,245,089.60 is: 1,722,367,634.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,760,465,121.60 : 2,640,697,682.40 = 1,148,245,089.60 : x
  2. Step 2: Convert to fraction form
    1,760,465,121.60/2,640,697,682.40 = 1,148,245,089.60/x
  3. Step 3: Cross multiply
    1,760,465,121.60x = 2,640,697,682.40 × 1,148,245,089.60
  4. Step 4: Simplify right side
    1,760,465,121.60x = 3,032,168,146,933,900,288
  5. Step 5: Solve for x
    x = 3,032,168,146,933,900,288/1,760,465,121.60
  6. Step 6: Final answer
    x = 1,722,367,634.40

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1.5x scale

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.