Home / 413,909,009,771.20-620,863,514,656.80-225,835,015,940.80

Finding the Fourth Proportional to 413,909,009,771.20, 620,863,514,656.80 and 225,835,015,940.80

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Solution

The fourth proportional to 413,909,009,771.20, 620,863,514,656.80 and 225,835,015,940.80 is: 338,752,523,911.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,909,009,771.20 : 620,863,514,656.80 = 225,835,015,940.80 : x
  2. Step 2: Convert to fraction form
    413,909,009,771.20/620,863,514,656.80 = 225,835,015,940.80/x
  3. Step 3: Cross multiply
    413,909,009,771.20x = 620,863,514,656.80 × 225,835,015,940.80
  4. Step 4: Simplify right side
    413,909,009,771.20x = 140,212,721,729,579,545,264,128
  5. Step 5: Solve for x
    x = 140,212,721,729,579,545,264,128/413,909,009,771.20
  6. Step 6: Final answer
    x = 338,752,523,911.20

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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.