Home / 1,040,757,639,998.40-1,559,289,556,179.40-435,047,620,455.40

Finding the Fourth Proportional to 1,040,757,639,998.40, 1,559,289,556,179.40 and 435,047,620,455.40

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Solution

The fourth proportional to 1,040,757,639,998.40, 1,559,289,556,179.40 and 435,047,620,455.40 is: 651,799,405,496.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,757,639,998.40 : 1,559,289,556,179.40 = 435,047,620,455.40 : x
  2. Step 2: Convert to fraction form
    1,040,757,639,998.40/1,559,289,556,179.40 = 435,047,620,455.40/x
  3. Step 3: Cross multiply
    1,040,757,639,998.40x = 1,559,289,556,179.40 × 435,047,620,455.40
  4. Step 4: Simplify right side
    1,040,757,639,998.40x = 678,365,211,016,804,782,047,232
  5. Step 5: Solve for x
    x = 678,365,211,016,804,782,047,232/1,040,757,639,998.40
  6. Step 6: Final answer
    x = 651,799,405,496.41

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Double scale
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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.