Home / 679,916,550.20-1,019,874,825.30-435,028,537.40

Finding the Fourth Proportional to 679,916,550.20, 1,019,874,825.30 and 435,028,537.40

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Solution

The fourth proportional to 679,916,550.20, 1,019,874,825.30 and 435,028,537.40 is: 652,542,806.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,916,550.20 : 1,019,874,825.30 = 435,028,537.40 : x
  2. Step 2: Convert to fraction form
    679,916,550.20/1,019,874,825.30 = 435,028,537.40/x
  3. Step 3: Cross multiply
    679,916,550.20x = 1,019,874,825.30 × 435,028,537.40
  4. Step 4: Simplify right side
    679,916,550.20x = 443,674,653,581,339,456
  5. Step 5: Solve for x
    x = 443,674,653,581,339,456/679,916,550.20
  6. Step 6: Final answer
    x = 652,542,806.10

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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.