Home / 20,414,772,030.60-30,622,158,045.90-12,012,052,091.40

Finding the Fourth Proportional to 20,414,772,030.60, 30,622,158,045.90 and 12,012,052,091.40

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Solution

The fourth proportional to 20,414,772,030.60, 30,622,158,045.90 and 12,012,052,091.40 is: 18,018,078,137.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,414,772,030.60 : 30,622,158,045.90 = 12,012,052,091.40 : x
  2. Step 2: Convert to fraction form
    20,414,772,030.60/30,622,158,045.90 = 12,012,052,091.40/x
  3. Step 3: Cross multiply
    20,414,772,030.60x = 30,622,158,045.90 × 12,012,052,091.40
  4. Step 4: Simplify right side
    20,414,772,030.60x = 367,834,957,598,434,459,648
  5. Step 5: Solve for x
    x = 367,834,957,598,434,459,648/20,414,772,030.60
  6. Step 6: Final answer
    x = 18,018,078,137.10

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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.