Home / 1,040,757,639,999.40-1,559,289,556,180.90-435,047,620,456.40

Finding the Fourth Proportional to 1,040,757,639,999.40, 1,559,289,556,180.90 and 435,047,620,456.40

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Solution

The fourth proportional to 1,040,757,639,999.40, 1,559,289,556,180.90 and 435,047,620,456.40 is: 651,799,405,497.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,757,639,999.40 : 1,559,289,556,180.90 = 435,047,620,456.40 : x
  2. Step 2: Convert to fraction form
    1,040,757,639,999.40/1,559,289,556,180.90 = 435,047,620,456.40/x
  3. Step 3: Cross multiply
    1,040,757,639,999.40x = 1,559,289,556,180.90 × 435,047,620,456.40
  4. Step 4: Simplify right side
    1,040,757,639,999.40x = 678,365,211,019,016,555,986,944
  5. Step 5: Solve for x
    x = 678,365,211,019,016,555,986,944/1,040,757,639,999.40
  6. Step 6: Final answer
    x = 651,799,405,497.91

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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.