Home / 12,984,057,512.56-17,908,762,394.64-11,915,810,462.92

Finding the Fourth Proportional to 12,984,057,512.56, 17,908,762,394.64 and 11,915,810,462.92

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Solution

The fourth proportional to 12,984,057,512.56, 17,908,762,394.64 and 11,915,810,462.92 is: 16,435,341,426.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,984,057,512.56 : 17,908,762,394.64 = 11,915,810,462.92 : x
  2. Step 2: Convert to fraction form
    12,984,057,512.56/17,908,762,394.64 = 11,915,810,462.92/x
  3. Step 3: Cross multiply
    12,984,057,512.56x = 17,908,762,394.64 × 11,915,810,462.92
  4. Step 4: Simplify right side
    12,984,057,512.56x = 213,397,418,319,999,533,056
  5. Step 5: Solve for x
    x = 213,397,418,319,999,533,056/12,984,057,512.56
  6. Step 6: Final answer
    x = 16,435,341,426.48

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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.