Home / 28,256,217,212.20-42,392,596,537.11-9,111,443,434.95

Finding the Fourth Proportional to 28,256,217,212.20, 42,392,596,537.11 and 9,111,443,434.95

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Solution

The fourth proportional to 28,256,217,212.20, 42,392,596,537.11 and 9,111,443,434.95 is: 13,669,832,111.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,256,217,212.20 : 42,392,596,537.11 = 9,111,443,434.95 : x
  2. Step 2: Convert to fraction form
    28,256,217,212.20/42,392,596,537.11 = 9,111,443,434.95/x
  3. Step 3: Cross multiply
    28,256,217,212.20x = 42,392,596,537.11 × 9,111,443,434.95
  4. Step 4: Simplify right side
    28,256,217,212.20x = 386,257,745,408,425,852,928
  5. Step 5: Solve for x
    x = 386,257,745,408,425,852,928/28,256,217,212.20
  6. Step 6: Final answer
    x = 13,669,832,111.91

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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.