Home / 987,308,408.70-1,481,471,776.72-462,730,804.12

Finding the Fourth Proportional to 987,308,408.70, 1,481,471,776.72 and 462,730,804.12

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Solution

The fourth proportional to 987,308,408.70, 1,481,471,776.72 and 462,730,804.12 is: 694,334,840.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,308,408.70 : 1,481,471,776.72 = 462,730,804.12 : x
  2. Step 2: Convert to fraction form
    987,308,408.70/1,481,471,776.72 = 462,730,804.12/x
  3. Step 3: Cross multiply
    987,308,408.70x = 1,481,471,776.72 × 462,730,804.12
  4. Step 4: Simplify right side
    987,308,408.70x = 685,522,626,522,730,752
  5. Step 5: Solve for x
    x = 685,522,626,522,730,752/987,308,408.70
  6. Step 6: Final answer
    x = 694,334,840.54

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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.