Home / 681,339,693.47-1,022,017,650.36-190,023,070.19

Finding the Fourth Proportional to 681,339,693.47, 1,022,017,650.36 and 190,023,070.19

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Solution

The fourth proportional to 681,339,693.47, 1,022,017,650.36 and 190,023,070.19 is: 285,036,867.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,339,693.47 : 1,022,017,650.36 = 190,023,070.19 : x
  2. Step 2: Convert to fraction form
    681,339,693.47/1,022,017,650.36 = 190,023,070.19/x
  3. Step 3: Cross multiply
    681,339,693.47x = 1,022,017,650.36 × 190,023,070.19
  4. Step 4: Simplify right side
    681,339,693.47x = 194,206,931,709,777,152
  5. Step 5: Solve for x
    x = 194,206,931,709,777,152/681,339,693.47
  6. Step 6: Final answer
    x = 285,036,867.18

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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.