Home / 1,560,909,963.02-2,154,191,973.84-856,198,146.44

Finding the Fourth Proportional to 1,560,909,963.02, 2,154,191,973.84 and 856,198,146.44

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Solution

The fourth proportional to 1,560,909,963.02, 2,154,191,973.84 and 856,198,146.44 is: 1,181,628,164.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560,909,963.02 : 2,154,191,973.84 = 856,198,146.44 : x
  2. Step 2: Convert to fraction form
    1,560,909,963.02/2,154,191,973.84 = 856,198,146.44/x
  3. Step 3: Cross multiply
    1,560,909,963.02x = 2,154,191,973.84 × 856,198,146.44
  4. Step 4: Simplify right side
    1,560,909,963.02x = 1,844,415,175,077,733,120
  5. Step 5: Solve for x
    x = 1,844,415,175,077,733,120/1,560,909,963.02
  6. Step 6: Final answer
    x = 1,181,628,164.84

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Double scale
Find fourth proportional to 1,560,909,964.02, 2,154,191,975.22 and 856,198,147.44
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.