Home / 281,310,347,953.60-421,965,521,930.40-162,294,773,732.80

Finding the Fourth Proportional to 281,310,347,953.60, 421,965,521,930.40 and 162,294,773,732.80

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Solution

The fourth proportional to 281,310,347,953.60, 421,965,521,930.40 and 162,294,773,732.80 is: 243,442,160,599.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,310,347,953.60 : 421,965,521,930.40 = 162,294,773,732.80 : x
  2. Step 2: Convert to fraction form
    281,310,347,953.60/421,965,521,930.40 = 162,294,773,732.80/x
  3. Step 3: Cross multiply
    281,310,347,953.60x = 421,965,521,930.40 × 162,294,773,732.80
  4. Step 4: Simplify right side
    281,310,347,953.60x = 68,482,798,904,737,125,105,664
  5. Step 5: Solve for x
    x = 68,482,798,904,737,125,105,664/281,310,347,953.60
  6. Step 6: Final answer
    x = 243,442,160,599.20

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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.