Home / 281,310,347,953.10-421,965,521,929.65-162,294,773,732.30

Finding the Fourth Proportional to 281,310,347,953.10, 421,965,521,929.65 and 162,294,773,732.30

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Solution

The fourth proportional to 281,310,347,953.10, 421,965,521,929.65 and 162,294,773,732.30 is: 243,442,160,598.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,310,347,953.10 : 421,965,521,929.65 = 162,294,773,732.30 : x
  2. Step 2: Convert to fraction form
    281,310,347,953.10/421,965,521,929.65 = 162,294,773,732.30/x
  3. Step 3: Cross multiply
    281,310,347,953.10x = 421,965,521,929.65 × 162,294,773,732.30
  4. Step 4: Simplify right side
    281,310,347,953.10x = 68,482,798,904,404,416,135,168
  5. Step 5: Solve for x
    x = 68,482,798,904,404,416,135,168/281,310,347,953.10
  6. Step 6: Final answer
    x = 243,442,160,598.45

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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.