Home / 12,166,597,816.11-16,784,556,641.87-7,341,271,328.97

Finding the Fourth Proportional to 12,166,597,816.11, 16,784,556,641.87 and 7,341,271,328.97

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Solution

The fourth proportional to 12,166,597,816.11, 16,784,556,641.87 and 7,341,271,328.97 is: 10,127,727,266.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,166,597,816.11 : 16,784,556,641.87 = 7,341,271,328.97 : x
  2. Step 2: Convert to fraction form
    12,166,597,816.11/16,784,556,641.87 = 7,341,271,328.97/x
  3. Step 3: Cross multiply
    12,166,597,816.11x = 16,784,556,641.87 × 7,341,271,328.97
  4. Step 4: Simplify right side
    12,166,597,816.11x = 123,219,984,444,396,519,424
  5. Step 5: Solve for x
    x = 123,219,984,444,396,519,424/12,166,597,816.11
  6. Step 6: Final answer
    x = 10,127,727,266.63

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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.