Home / 456,749,447.22-630,314,928.45-247,905,665.46

Finding the Fourth Proportional to 456,749,447.22, 630,314,928.45 and 247,905,665.46

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Solution

The fourth proportional to 456,749,447.22, 630,314,928.45 and 247,905,665.46 is: 342,110,193.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,749,447.22 : 630,314,928.45 = 247,905,665.46 : x
  2. Step 2: Convert to fraction form
    456,749,447.22/630,314,928.45 = 247,905,665.46/x
  3. Step 3: Cross multiply
    456,749,447.22x = 630,314,928.45 × 247,905,665.46
  4. Step 4: Simplify right side
    456,749,447.22x = 156,258,641,786,769,568
  5. Step 5: Solve for x
    x = 156,258,641,786,769,568/456,749,447.22
  6. Step 6: Final answer
    x = 342,110,193.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.