Home / 13,357,639,072.52-18,435,242,526.90-8,077,279,087.88

Finding the Fourth Proportional to 13,357,639,072.52, 18,435,242,526.90 and 8,077,279,087.88

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Solution

The fourth proportional to 13,357,639,072.52, 18,435,242,526.90 and 8,077,279,087.88 is: 11,147,673,487.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,357,639,072.52 : 18,435,242,526.90 = 8,077,279,087.88 : x
  2. Step 2: Convert to fraction form
    13,357,639,072.52/18,435,242,526.90 = 8,077,279,087.88/x
  3. Step 3: Cross multiply
    13,357,639,072.52x = 18,435,242,526.90 × 8,077,279,087.88
  4. Step 4: Simplify right side
    13,357,639,072.52x = 148,906,598,942,525,423,616
  5. Step 5: Solve for x
    x = 148,906,598,942,525,423,616/13,357,639,072.52
  6. Step 6: Final answer
    x = 11,147,673,487.37

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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.