Home / 1,091,378,999.70-1,637,082,496.35-364,367,711.70

Finding the Fourth Proportional to 1,091,378,999.70, 1,637,082,496.35 and 364,367,711.70

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Solution

The fourth proportional to 1,091,378,999.70, 1,637,082,496.35 and 364,367,711.70 is: 546,556,240.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,378,999.70 : 1,637,082,496.35 = 364,367,711.70 : x
  2. Step 2: Convert to fraction form
    1,091,378,999.70/1,637,082,496.35 = 364,367,711.70/x
  3. Step 3: Cross multiply
    1,091,378,999.70x = 1,637,082,496.35 × 364,367,711.70
  4. Step 4: Simplify right side
    1,091,378,999.70x = 596,500,003,059,172,992
  5. Step 5: Solve for x
    x = 596,500,003,059,172,992/1,091,378,999.70
  6. Step 6: Final answer
    x = 546,556,240.52

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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.