Home / 231,147,526,609.84-346,638,108,244.56-80,012,763,746.32

Finding the Fourth Proportional to 231,147,526,609.84, 346,638,108,244.56 and 80,012,763,746.32

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Solution

The fourth proportional to 231,147,526,609.84, 346,638,108,244.56 and 80,012,763,746.32 is: 119,990,351,907.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,147,526,609.84 : 346,638,108,244.56 = 80,012,763,746.32 : x
  2. Step 2: Convert to fraction form
    231,147,526,609.84/346,638,108,244.56 = 80,012,763,746.32/x
  3. Step 3: Cross multiply
    231,147,526,609.84x = 346,638,108,244.56 × 80,012,763,746.32
  4. Step 4: Simplify right side
    231,147,526,609.84x = 27,735,473,060,443,280,375,808
  5. Step 5: Solve for x
    x = 27,735,473,060,443,280,375,808/231,147,526,609.84
  6. Step 6: Final answer
    x = 119,990,351,907.42

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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.