Home / 1,365,190,856.60-1,883,949,969.67-738,645,537.20

Finding the Fourth Proportional to 1,365,190,856.60, 1,883,949,969.67 and 738,645,537.20

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Solution

The fourth proportional to 1,365,190,856.60, 1,883,949,969.67 and 738,645,537.20 is: 1,019,323,584.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365,190,856.60 : 1,883,949,969.67 = 738,645,537.20 : x
  2. Step 2: Convert to fraction form
    1,365,190,856.60/1,883,949,969.67 = 738,645,537.20/x
  3. Step 3: Cross multiply
    1,365,190,856.60x = 1,883,949,969.67 × 738,645,537.20
  4. Step 4: Simplify right side
    1,365,190,856.60x = 1,391,571,237,393,554,688
  5. Step 5: Solve for x
    x = 1,391,571,237,393,554,688/1,365,190,856.60
  6. Step 6: Final answer
    x = 1,019,323,584.44

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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.