Home / 12,185,385,653.41-18,279,330,865.58-4,217,540,852.10

Finding the Fourth Proportional to 12,185,385,653.41, 18,279,330,865.58 and 4,217,540,852.10

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Solution

The fourth proportional to 12,185,385,653.41, 18,279,330,865.58 and 4,217,540,852.10 is: 6,326,744,747.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,185,385,653.41 : 18,279,330,865.58 = 4,217,540,852.10 : x
  2. Step 2: Convert to fraction form
    12,185,385,653.41/18,279,330,865.58 = 4,217,540,852.10/x
  3. Step 3: Cross multiply
    12,185,385,653.41x = 18,279,330,865.58 × 4,217,540,852.10
  4. Step 4: Simplify right side
    12,185,385,653.41x = 77,093,824,674,636,103,680
  5. Step 5: Solve for x
    x = 77,093,824,674,636,103,680/12,185,385,653.41
  6. Step 6: Final answer
    x = 6,326,744,747.14

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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.