Home / 28,256,217,212.15-42,392,596,537.04-9,111,443,434.90

Finding the Fourth Proportional to 28,256,217,212.15, 42,392,596,537.04 and 9,111,443,434.90

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Solution

The fourth proportional to 28,256,217,212.15, 42,392,596,537.04 and 9,111,443,434.90 is: 13,669,832,111.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,256,217,212.15 : 42,392,596,537.04 = 9,111,443,434.90 : x
  2. Step 2: Convert to fraction form
    28,256,217,212.15/42,392,596,537.04 = 9,111,443,434.90/x
  3. Step 3: Cross multiply
    28,256,217,212.15x = 42,392,596,537.04 × 9,111,443,434.90
  4. Step 4: Simplify right side
    28,256,217,212.15x = 386,257,745,405,907,763,200
  5. Step 5: Solve for x
    x = 386,257,745,405,907,763,200/28,256,217,212.15
  6. Step 6: Final answer
    x = 13,669,832,111.84

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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.