Finding the Fourth Proportional to 3,120,752,480.07, 4,680,630,420.18 and 909,444,944.52
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Solution
The fourth proportional to 3,120,752,480.07, 4,680,630,420.18 and 909,444,944.52 is: 1,364,022,202.97
Step by Step Solution
- Step 1: Write the proportion equation
3,120,752,480.07 : 4,680,630,420.18 = 909,444,944.52 : x - Step 2: Convert to fraction form
3,120,752,480.07/4,680,630,420.18 = 909,444,944.52/x - Step 3: Cross multiply
3,120,752,480.07x = 4,680,630,420.18 × 909,444,944.52 - Step 4: Simplify right side
3,120,752,480.07x = 4,256,775,672,799,224,832 - Step 5: Solve for x
x = 4,256,775,672,799,224,832/3,120,752,480.07 - Step 6: Final answer
x = 1,364,022,202.97
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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.