Home / 1,365,190,776.72-1,883,949,859.44-738,645,457.32

Finding the Fourth Proportional to 1,365,190,776.72, 1,883,949,859.44 and 738,645,457.32

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Solution

The fourth proportional to 1,365,190,776.72, 1,883,949,859.44 and 738,645,457.32 is: 1,019,323,474.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365,190,776.72 : 1,883,949,859.44 = 738,645,457.32 : x
  2. Step 2: Convert to fraction form
    1,365,190,776.72/1,883,949,859.44 = 738,645,457.32/x
  3. Step 3: Cross multiply
    1,365,190,776.72x = 1,883,949,859.44 × 738,645,457.32
  4. Step 4: Simplify right side
    1,365,190,776.72x = 1,391,571,005,494,008,576
  5. Step 5: Solve for x
    x = 1,391,571,005,494,008,576/1,365,190,776.72
  6. Step 6: Final answer
    x = 1,019,323,474.22

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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.