Home / 1,222,143,415.92-1,833,197,174.12-302,019,729.84

Finding the Fourth Proportional to 1,222,143,415.92, 1,833,197,174.12 and 302,019,729.84

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Solution

The fourth proportional to 1,222,143,415.92, 1,833,197,174.12 and 302,019,729.84 is: 453,025,158.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,143,415.92 : 1,833,197,174.12 = 302,019,729.84 : x
  2. Step 2: Convert to fraction form
    1,222,143,415.92/1,833,197,174.12 = 302,019,729.84/x
  3. Step 3: Cross multiply
    1,222,143,415.92x = 1,833,197,174.12 × 302,019,729.84
  4. Step 4: Simplify right side
    1,222,143,415.92x = 553,661,715,271,173,760
  5. Step 5: Solve for x
    x = 553,661,715,271,173,760/1,222,143,415.92
  6. Step 6: Final answer
    x = 453,025,158.96

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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.