Finding the Fourth Proportional to 3,500,708,798.68, 5,251,072,091.82 and 1,430,430,563.32
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Solution
The fourth proportional to 3,500,708,798.68, 5,251,072,091.82 and 1,430,430,563.32 is: 2,145,649,479.09
Step by Step Solution
- Step 1: Write the proportion equation
3,500,708,798.68 : 5,251,072,091.82 = 1,430,430,563.32 : x - Step 2: Convert to fraction form
3,500,708,798.68/5,251,072,091.82 = 1,430,430,563.32/x - Step 3: Cross multiply
3,500,708,798.68x = 5,251,072,091.82 × 1,430,430,563.32 - Step 4: Simplify right side
3,500,708,798.68x = 7,511,294,010,336,012,288 - Step 5: Solve for x
x = 7,511,294,010,336,012,288/3,500,708,798.68 - Step 6: Final answer
x = 2,145,649,479.09
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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.