Home / 82,251,353,157.91-123,385,483,338.74-28,468,400,749.05

Finding the Fourth Proportional to 82,251,353,157.91, 123,385,483,338.74 and 28,468,400,749.05

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Solution

The fourth proportional to 82,251,353,157.91, 123,385,483,338.74 and 28,468,400,749.05 is: 42,705,527,039.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,251,353,157.91 : 123,385,483,338.74 = 28,468,400,749.05 : x
  2. Step 2: Convert to fraction form
    82,251,353,157.91/123,385,483,338.74 = 28,468,400,749.05/x
  3. Step 3: Cross multiply
    82,251,353,157.91x = 123,385,483,338.74 × 28,468,400,749.05
  4. Step 4: Simplify right side
    82,251,353,157.91x = 3,512,587,386,302,235,672,576
  5. Step 5: Solve for x
    x = 3,512,587,386,302,235,672,576/82,251,353,157.91
  6. Step 6: Final answer
    x = 42,705,527,039.28

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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.