Home / 8,085,114,360.40-12,127,671,540.60-3,942,425,477.20

Finding the Fourth Proportional to 8,085,114,360.40, 12,127,671,540.60 and 3,942,425,477.20

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Solution

The fourth proportional to 8,085,114,360.40, 12,127,671,540.60 and 3,942,425,477.20 is: 5,913,638,215.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,085,114,360.40 : 12,127,671,540.60 = 3,942,425,477.20 : x
  2. Step 2: Convert to fraction form
    8,085,114,360.40/12,127,671,540.60 = 3,942,425,477.20/x
  3. Step 3: Cross multiply
    8,085,114,360.40x = 12,127,671,540.60 × 3,942,425,477.20
  4. Step 4: Simplify right side
    8,085,114,360.40x = 47,812,441,260,774,809,600
  5. Step 5: Solve for x
    x = 47,812,441,260,774,809,600/8,085,114,360.40
  6. Step 6: Final answer
    x = 5,913,638,215.80

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Double scale
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Similar ratio
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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.