Home / 458,257,836.52-632,395,779.32-249,415,476.56

Finding the Fourth Proportional to 458,257,836.52, 632,395,779.32 and 249,415,476.56

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Solution

The fourth proportional to 458,257,836.52, 632,395,779.32 and 249,415,476.56 is: 344,193,338.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,257,836.52 : 632,395,779.32 = 249,415,476.56 : x
  2. Step 2: Convert to fraction form
    458,257,836.52/632,395,779.32 = 249,415,476.56/x
  3. Step 3: Cross multiply
    458,257,836.52x = 632,395,779.32 × 249,415,476.56
  4. Step 4: Simplify right side
    458,257,836.52x = 157,729,294,673,630,400
  5. Step 5: Solve for x
    x = 157,729,294,673,630,400/458,257,836.52
  6. Step 6: Final answer
    x = 344,193,338.56

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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.