Home / 20,734,338,090.40-28,613,368,076.88-11,703,996,973.60

Finding the Fourth Proportional to 20,734,338,090.40, 28,613,368,076.88 and 11,703,996,973.60

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Solution

The fourth proportional to 20,734,338,090.40, 28,613,368,076.88 and 11,703,996,973.60 is: 16,151,505,387.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,734,338,090.40 : 28,613,368,076.88 = 11,703,996,973.60 : x
  2. Step 2: Convert to fraction form
    20,734,338,090.40/28,613,368,076.88 = 11,703,996,973.60/x
  3. Step 3: Cross multiply
    20,734,338,090.40x = 28,613,368,076.88 × 11,703,996,973.60
  4. Step 4: Simplify right side
    20,734,338,090.40x = 334,890,773,376,306,380,800
  5. Step 5: Solve for x
    x = 334,890,773,376,306,380,800/20,734,338,090.40
  6. Step 6: Final answer
    x = 16,151,505,387.64

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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.