Finding the Fourth Proportional to 2,506,146,440.76, 3,458,279,647.98 and 1,448,942,555.64
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Solution
The fourth proportional to 2,506,146,440.76, 3,458,279,647.98 and 1,448,942,555.64 is: 1,999,423,684.81
Step by Step Solution
- Step 1: Write the proportion equation
2,506,146,440.76 : 3,458,279,647.98 = 1,448,942,555.64 : x - Step 2: Convert to fraction form
2,506,146,440.76/3,458,279,647.98 = 1,448,942,555.64/x - Step 3: Cross multiply
2,506,146,440.76x = 3,458,279,647.98 × 1,448,942,555.64 - Step 4: Simplify right side
2,506,146,440.76x = 5,010,848,551,261,940,736 - Step 5: Solve for x
x = 5,010,848,551,261,940,736/2,506,146,440.76 - Step 6: Final answer
x = 1,999,423,684.81
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1.5x scale
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.