Home / 413,909,009,772.20-620,863,514,658.30-225,835,015,941.80

Finding the Fourth Proportional to 413,909,009,772.20, 620,863,514,658.30 and 225,835,015,941.80

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Solution

The fourth proportional to 413,909,009,772.20, 620,863,514,658.30 and 225,835,015,941.80 is: 338,752,523,912.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,909,009,772.20 : 620,863,514,658.30 = 225,835,015,941.80 : x
  2. Step 2: Convert to fraction form
    413,909,009,772.20/620,863,514,658.30 = 225,835,015,941.80/x
  3. Step 3: Cross multiply
    413,909,009,772.20x = 620,863,514,658.30 × 225,835,015,941.80
  4. Step 4: Simplify right side
    413,909,009,772.20x = 140,212,721,730,539,168,464,896
  5. Step 5: Solve for x
    x = 140,212,721,730,539,168,464,896/413,909,009,772.20
  6. Step 6: Final answer
    x = 338,752,523,912.70

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1.5x scale

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.