Home / 1,365,190,856.35-1,883,949,969.32-738,645,536.95

Finding the Fourth Proportional to 1,365,190,856.35, 1,883,949,969.32 and 738,645,536.95

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Solution

The fourth proportional to 1,365,190,856.35, 1,883,949,969.32 and 738,645,536.95 is: 1,019,323,584.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365,190,856.35 : 1,883,949,969.32 = 738,645,536.95 : x
  2. Step 2: Convert to fraction form
    1,365,190,856.35/1,883,949,969.32 = 738,645,536.95/x
  3. Step 3: Cross multiply
    1,365,190,856.35x = 1,883,949,969.32 × 738,645,536.95
  4. Step 4: Simplify right side
    1,365,190,856.35x = 1,391,571,236,675,307,520
  5. Step 5: Solve for x
    x = 1,391,571,236,675,307,520/1,365,190,856.35
  6. Step 6: Final answer
    x = 1,019,323,584.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.