Home / 287,139,746,205.92-430,324,619,770.56-223,473,970,193.60

Finding the Fourth Proportional to 287,139,746,205.92, 430,324,619,770.56 and 223,473,970,193.60

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Solution

The fourth proportional to 287,139,746,205.92, 430,324,619,770.56 and 223,473,970,193.60 is: 334,911,319,393.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,139,746,205.92 : 430,324,619,770.56 = 223,473,970,193.60 : x
  2. Step 2: Convert to fraction form
    287,139,746,205.92/430,324,619,770.56 = 223,473,970,193.60/x
  3. Step 3: Cross multiply
    287,139,746,205.92x = 430,324,619,770.56 × 223,473,970,193.60
  4. Step 4: Simplify right side
    287,139,746,205.92x = 96,166,351,252,178,383,929,344
  5. Step 5: Solve for x
    x = 96,166,351,252,178,383,929,344/287,139,746,205.92
  6. Step 6: Final answer
    x = 334,911,319,393.64

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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.