Home / 931,661,714.40-1,397,492,571.60-925,615,096.80

Finding the Fourth Proportional to 931,661,714.40, 1,397,492,571.60 and 925,615,096.80

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Solution

The fourth proportional to 931,661,714.40, 1,397,492,571.60 and 925,615,096.80 is: 1,388,422,645.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,661,714.40 : 1,397,492,571.60 = 925,615,096.80 : x
  2. Step 2: Convert to fraction form
    931,661,714.40/1,397,492,571.60 = 925,615,096.80/x
  3. Step 3: Cross multiply
    931,661,714.40x = 1,397,492,571.60 × 925,615,096.80
  4. Step 4: Simplify right side
    931,661,714.40x = 1,293,540,221,938,814,720
  5. Step 5: Solve for x
    x = 1,293,540,221,938,814,720/931,661,714.40
  6. Step 6: Final answer
    x = 1,388,422,645.20

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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.