Home / 354,310,910.40-531,466,365.60-262,477,905.60

Finding the Fourth Proportional to 354,310,910.40, 531,466,365.60 and 262,477,905.60

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Solution

The fourth proportional to 354,310,910.40, 531,466,365.60 and 262,477,905.60 is: 393,716,858.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,310,910.40 : 531,466,365.60 = 262,477,905.60 : x
  2. Step 2: Convert to fraction form
    354,310,910.40/531,466,365.60 = 262,477,905.60/x
  3. Step 3: Cross multiply
    354,310,910.40x = 531,466,365.60 × 262,477,905.60
  4. Step 4: Simplify right side
    354,310,910.40x = 139,498,178,539,531,888
  5. Step 5: Solve for x
    x = 139,498,178,539,531,888/354,310,910.40
  6. Step 6: Final answer
    x = 393,716,858.40

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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.