Home / 2,082,024,005.10-3,123,036,007.65-1,990,191,000.30

Finding the Fourth Proportional to 2,082,024,005.10, 3,123,036,007.65 and 1,990,191,000.30

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Solution

The fourth proportional to 2,082,024,005.10, 3,123,036,007.65 and 1,990,191,000.30 is: 2,985,286,500.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,082,024,005.10 : 3,123,036,007.65 = 1,990,191,000.30 : x
  2. Step 2: Convert to fraction form
    2,082,024,005.10/3,123,036,007.65 = 1,990,191,000.30/x
  3. Step 3: Cross multiply
    2,082,024,005.10x = 3,123,036,007.65 × 1,990,191,000.30
  4. Step 4: Simplify right side
    2,082,024,005.10x = 6,215,438,156,037,871,616
  5. Step 5: Solve for x
    x = 6,215,438,156,037,871,616/2,082,024,005.10
  6. Step 6: Final answer
    x = 2,985,286,500.45

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Double scale
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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.