Home / 815,475,445.96-1,223,283,629.60-225,265,479.16

Finding the Fourth Proportional to 815,475,445.96, 1,223,283,629.60 and 225,265,479.16

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Solution

The fourth proportional to 815,475,445.96, 1,223,283,629.60 and 225,265,479.16 is: 337,917,682.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,475,445.96 : 1,223,283,629.60 = 225,265,479.16 : x
  2. Step 2: Convert to fraction form
    815,475,445.96/1,223,283,629.60 = 225,265,479.16/x
  3. Step 3: Cross multiply
    815,475,445.96x = 1,223,283,629.60 × 225,265,479.16
  4. Step 4: Simplify right side
    815,475,445.96x = 275,563,572,970,427,936
  5. Step 5: Solve for x
    x = 275,563,572,970,427,936/815,475,445.96
  6. Step 6: Final answer
    x = 337,917,682.67

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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.