Home / 12,265,908,426.45-16,926,920,171.07-6,840,449,926.72

Finding the Fourth Proportional to 12,265,908,426.45, 16,926,920,171.07 and 6,840,449,926.72

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Solution

The fourth proportional to 12,265,908,426.45, 16,926,920,171.07 and 6,840,449,926.72 is: 9,439,802,240.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,265,908,426.45 : 16,926,920,171.07 = 6,840,449,926.72 : x
  2. Step 2: Convert to fraction form
    12,265,908,426.45/16,926,920,171.07 = 6,840,449,926.72/x
  3. Step 3: Cross multiply
    12,265,908,426.45x = 16,926,920,171.07 × 6,840,449,926.72
  4. Step 4: Simplify right side
    12,265,908,426.45x = 115,787,749,843,791,069,184
  5. Step 5: Solve for x
    x = 115,787,749,843,791,069,184/12,265,908,426.45
  6. Step 6: Final answer
    x = 9,439,802,240.34

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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.