Home / 889,632,005.10-1,334,448,007.65-276,278,232.30

Finding the Fourth Proportional to 889,632,005.10, 1,334,448,007.65 and 276,278,232.30

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Solution

The fourth proportional to 889,632,005.10, 1,334,448,007.65 and 276,278,232.30 is: 414,417,348.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,632,005.10 : 1,334,448,007.65 = 276,278,232.30 : x
  2. Step 2: Convert to fraction form
    889,632,005.10/1,334,448,007.65 = 276,278,232.30/x
  3. Step 3: Cross multiply
    889,632,005.10x = 1,334,448,007.65 × 276,278,232.30
  4. Step 4: Simplify right side
    889,632,005.10x = 368,678,936,649,798,912
  5. Step 5: Solve for x
    x = 368,678,936,649,798,912/889,632,005.10
  6. Step 6: Final answer
    x = 414,417,348.45

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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.