Home / 281,310,347,898.60-421,965,521,847.90-162,294,773,677.80

Finding the Fourth Proportional to 281,310,347,898.60, 421,965,521,847.90 and 162,294,773,677.80

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Solution

The fourth proportional to 281,310,347,898.60, 421,965,521,847.90 and 162,294,773,677.80 is: 243,442,160,516.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,310,347,898.60 : 421,965,521,847.90 = 162,294,773,677.80 : x
  2. Step 2: Convert to fraction form
    281,310,347,898.60/421,965,521,847.90 = 162,294,773,677.80/x
  3. Step 3: Cross multiply
    281,310,347,898.60x = 421,965,521,847.90 × 162,294,773,677.80
  4. Step 4: Simplify right side
    281,310,347,898.60x = 68,482,798,868,139,700,387,840
  5. Step 5: Solve for x
    x = 68,482,798,868,139,700,387,840/281,310,347,898.60
  6. Step 6: Final answer
    x = 243,442,160,516.70

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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.