Home / 1,311,685,092,023.10-1,967,527,638,034.70-782,291,627,907.90

Finding the Fourth Proportional to 1,311,685,092,023.10, 1,967,527,638,034.70 and 782,291,627,907.90

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Solution

The fourth proportional to 1,311,685,092,023.10, 1,967,527,638,034.70 and 782,291,627,907.90 is: 1,173,437,441,861.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,685,092,023.10 : 1,967,527,638,034.70 = 782,291,627,907.90 : x
  2. Step 2: Convert to fraction form
    1,311,685,092,023.10/1,967,527,638,034.70 = 782,291,627,907.90/x
  3. Step 3: Cross multiply
    1,311,685,092,023.10x = 1,967,527,638,034.70 × 782,291,627,907.90
  4. Step 4: Simplify right side
    1,311,685,092,023.10x = 1,539,180,398,911,951,030,190,080
  5. Step 5: Solve for x
    x = 1,539,180,398,911,951,030,190,080/1,311,685,092,023.10
  6. Step 6: Final answer
    x = 1,173,437,441,861.88

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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.