Home / 168,978,817,966.80-253,468,226,950.20-141,704,415,541.20

Finding the Fourth Proportional to 168,978,817,966.80, 253,468,226,950.20 and 141,704,415,541.20

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Solution

The fourth proportional to 168,978,817,966.80, 253,468,226,950.20 and 141,704,415,541.20 is: 212,556,623,311.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,978,817,966.80 : 253,468,226,950.20 = 141,704,415,541.20 : x
  2. Step 2: Convert to fraction form
    168,978,817,966.80/253,468,226,950.20 = 141,704,415,541.20/x
  3. Step 3: Cross multiply
    168,978,817,966.80x = 253,468,226,950.20 × 141,704,415,541.20
  4. Step 4: Simplify right side
    168,978,817,966.80x = 35,917,566,958,242,336,079,872
  5. Step 5: Solve for x
    x = 35,917,566,958,242,336,079,872/168,978,817,966.80
  6. Step 6: Final answer
    x = 212,556,623,311.80

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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.