Home / 268,905,747.60-403,358,621.40-262,933,779.60

Finding the Fourth Proportional to 268,905,747.60, 403,358,621.40 and 262,933,779.60

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Solution

The fourth proportional to 268,905,747.60, 403,358,621.40 and 262,933,779.60 is: 394,400,669.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,905,747.60 : 403,358,621.40 = 262,933,779.60 : x
  2. Step 2: Convert to fraction form
    268,905,747.60/403,358,621.40 = 262,933,779.60/x
  3. Step 3: Cross multiply
    268,905,747.60x = 403,358,621.40 × 262,933,779.60
  4. Step 4: Simplify right side
    268,905,747.60x = 106,056,606,858,947,440
  5. Step 5: Solve for x
    x = 106,056,606,858,947,440/268,905,747.60
  6. Step 6: Final answer
    x = 394,400,669.40

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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.