Home / 1,322,082,006.60-1,983,123,009.90-460,438,998.60

Finding the Fourth Proportional to 1,322,082,006.60, 1,983,123,009.90 and 460,438,998.60

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Solution

The fourth proportional to 1,322,082,006.60, 1,983,123,009.90 and 460,438,998.60 is: 690,658,497.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,082,006.60 : 1,983,123,009.90 = 460,438,998.60 : x
  2. Step 2: Convert to fraction form
    1,322,082,006.60/1,983,123,009.90 = 460,438,998.60/x
  3. Step 3: Cross multiply
    1,322,082,006.60x = 1,983,123,009.90 × 460,438,998.60
  4. Step 4: Simplify right side
    1,322,082,006.60x = 913,107,172,778,973,952
  5. Step 5: Solve for x
    x = 913,107,172,778,973,952/1,322,082,006.60
  6. Step 6: Final answer
    x = 690,658,497.90

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Double scale
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Similar ratio
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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.