Home / 955,276,999.32-1,432,861,597.62-423,335,220.60

Finding the Fourth Proportional to 955,276,999.32, 1,432,861,597.62 and 423,335,220.60

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Solution

The fourth proportional to 955,276,999.32, 1,432,861,597.62 and 423,335,220.60 is: 634,978,944.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,276,999.32 : 1,432,861,597.62 = 423,335,220.60 : x
  2. Step 2: Convert to fraction form
    955,276,999.32/1,432,861,597.62 = 423,335,220.60/x
  3. Step 3: Cross multiply
    955,276,999.32x = 1,432,861,597.62 × 423,335,220.60
  4. Step 4: Simplify right side
    955,276,999.32x = 606,580,780,517,731,072
  5. Step 5: Solve for x
    x = 606,580,780,517,731,072/955,276,999.32
  6. Step 6: Final answer
    x = 634,978,944.27

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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.