Home / 354,295,408.40-531,443,112.60-262,462,403.60

Finding the Fourth Proportional to 354,295,408.40, 531,443,112.60 and 262,462,403.60

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Solution

The fourth proportional to 354,295,408.40, 531,443,112.60 and 262,462,403.60 is: 393,693,605.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,295,408.40 : 531,443,112.60 = 262,462,403.60 : x
  2. Step 2: Convert to fraction form
    354,295,408.40/531,443,112.60 = 262,462,403.60/x
  3. Step 3: Cross multiply
    354,295,408.40x = 531,443,112.60 × 262,462,403.60
  4. Step 4: Simplify right side
    354,295,408.40x = 139,483,836,709,661,456
  5. Step 5: Solve for x
    x = 139,483,836,709,661,456/354,295,408.40
  6. Step 6: Final answer
    x = 393,693,605.40

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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.