Home / 445,514,992.48-668,928,495.84-249,163,103.56

Finding the Fourth Proportional to 445,514,992.48, 668,928,495.84 and 249,163,103.56

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Solution

The fourth proportional to 445,514,992.48, 668,928,495.84 and 249,163,103.56 is: 374,111,540.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,514,992.48 : 668,928,495.84 = 249,163,103.56 : x
  2. Step 2: Convert to fraction form
    445,514,992.48/668,928,495.84 = 249,163,103.56/x
  3. Step 3: Cross multiply
    445,514,992.48x = 668,928,495.84 × 249,163,103.56
  4. Step 4: Simplify right side
    445,514,992.48x = 166,672,300,083,216,960
  5. Step 5: Solve for x
    x = 166,672,300,083,216,960/445,514,992.48
  6. Step 6: Final answer
    x = 374,111,540.34

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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.