Home / 215,410,772,401.20-323,116,158,601.80-127,251,087,793.20

Finding the Fourth Proportional to 215,410,772,401.20, 323,116,158,601.80 and 127,251,087,793.20

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Solution

The fourth proportional to 215,410,772,401.20, 323,116,158,601.80 and 127,251,087,793.20 is: 190,876,631,689.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,410,772,401.20 : 323,116,158,601.80 = 127,251,087,793.20 : x
  2. Step 2: Convert to fraction form
    215,410,772,401.20/323,116,158,601.80 = 127,251,087,793.20/x
  3. Step 3: Cross multiply
    215,410,772,401.20x = 323,116,158,601.80 × 127,251,087,793.20
  4. Step 4: Simplify right side
    215,410,772,401.20x = 41,116,882,665,639,184,957,440
  5. Step 5: Solve for x
    x = 41,116,882,665,639,184,957,440/215,410,772,401.20
  6. Step 6: Final answer
    x = 190,876,631,689.80

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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.