Home / 20,803,182,067.20-31,204,773,100.80-13,364,708,678.40

Finding the Fourth Proportional to 20,803,182,067.20, 31,204,773,100.80 and 13,364,708,678.40

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Solution

The fourth proportional to 20,803,182,067.20, 31,204,773,100.80 and 13,364,708,678.40 is: 20,047,063,017.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,803,182,067.20 : 31,204,773,100.80 = 13,364,708,678.40 : x
  2. Step 2: Convert to fraction form
    20,803,182,067.20/31,204,773,100.80 = 13,364,708,678.40/x
  3. Step 3: Cross multiply
    20,803,182,067.20x = 31,204,773,100.80 × 13,364,708,678.40
  4. Step 4: Simplify right side
    20,803,182,067.20x = 417,042,701,867,764,613,120
  5. Step 5: Solve for x
    x = 417,042,701,867,764,613,120/20,803,182,067.20
  6. Step 6: Final answer
    x = 20,047,063,017.60

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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.