Home / 28,256,217,214.66-42,392,596,540.79-9,111,443,437.41

Finding the Fourth Proportional to 28,256,217,214.66, 42,392,596,540.79 and 9,111,443,437.41

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Solution

The fourth proportional to 28,256,217,214.66, 42,392,596,540.79 and 9,111,443,437.41 is: 13,669,832,115.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,256,217,214.66 : 42,392,596,540.79 = 9,111,443,437.41 : x
  2. Step 2: Convert to fraction form
    28,256,217,214.66/42,392,596,540.79 = 9,111,443,437.41/x
  3. Step 3: Cross multiply
    28,256,217,214.66x = 42,392,596,540.79 × 9,111,443,437.41
  4. Step 4: Simplify right side
    28,256,217,214.66x = 386,257,745,546,350,886,912
  5. Step 5: Solve for x
    x = 386,257,745,546,350,886,912/28,256,217,214.66
  6. Step 6: Final answer
    x = 13,669,832,115.60

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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.