Home / 853,237,683,743.32-1,278,960,611,743.50-287,078,815,040.32

Finding the Fourth Proportional to 853,237,683,743.32, 1,278,960,611,743.50 and 287,078,815,040.32

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Solution

The fourth proportional to 853,237,683,743.32, 1,278,960,611,743.50 and 287,078,815,040.32 is: 430,316,784,992.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,237,683,743.32 : 1,278,960,611,743.50 = 287,078,815,040.32 : x
  2. Step 2: Convert to fraction form
    853,237,683,743.32/1,278,960,611,743.50 = 287,078,815,040.32/x
  3. Step 3: Cross multiply
    853,237,683,743.32x = 1,278,960,611,743.50 × 287,078,815,040.32
  4. Step 4: Simplify right side
    853,237,683,743.32x = 367,162,496,902,566,753,861,632
  5. Step 5: Solve for x
    x = 367,162,496,902,566,753,861,632/853,237,683,743.32
  6. Step 6: Final answer
    x = 430,316,784,992.14

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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.