Finding the Fourth Proportional to 3,389,245,148.08, 4,677,039,012.20 and 1,863,322,177.96
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Solution
The fourth proportional to 3,389,245,148.08, 4,677,039,012.20 and 1,863,322,177.96 is: 2,571,319,021.75
Step by Step Solution
- Step 1: Write the proportion equation
3,389,245,148.08 : 4,677,039,012.20 = 1,863,322,177.96 : x - Step 2: Convert to fraction form
3,389,245,148.08/4,677,039,012.20 = 1,863,322,177.96/x - Step 3: Cross multiply
3,389,245,148.08x = 4,677,039,012.20 × 1,863,322,177.96 - Step 4: Simplify right side
3,389,245,148.08x = 8,714,830,518,616,390,656 - Step 5: Solve for x
x = 8,714,830,518,616,390,656/3,389,245,148.08 - Step 6: Final answer
x = 2,571,319,021.75
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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.