Home / 30,135,599,645.94-45,203,517,921.96-12,208,316,816.16

Finding the Fourth Proportional to 30,135,599,645.94, 45,203,517,921.96 and 12,208,316,816.16

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Solution

The fourth proportional to 30,135,599,645.94, 45,203,517,921.96 and 12,208,316,816.16 is: 18,312,523,211.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,135,599,645.94 : 45,203,517,921.96 = 12,208,316,816.16 : x
  2. Step 2: Convert to fraction form
    30,135,599,645.94/45,203,517,921.96 = 12,208,316,816.16/x
  3. Step 3: Cross multiply
    30,135,599,645.94x = 45,203,517,921.96 × 12,208,316,816.16
  4. Step 4: Simplify right side
    30,135,599,645.94x = 551,858,867,996,254,208,000
  5. Step 5: Solve for x
    x = 551,858,867,996,254,208,000/30,135,599,645.94
  6. Step 6: Final answer
    x = 18,312,523,211.09

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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.