Finding the Fourth Proportional to 708,592,117.80, 1,062,888,176.70 and 248,364,211.80
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Solution
The fourth proportional to 708,592,117.80, 1,062,888,176.70 and 248,364,211.80 is: 372,546,317.70
Step by Step Solution
- Step 1: Write the proportion equation
708,592,117.80 : 1,062,888,176.70 = 248,364,211.80 : x - Step 2: Convert to fraction form
708,592,117.80/1,062,888,176.70 = 248,364,211.80/x - Step 3: Cross multiply
708,592,117.80x = 1,062,888,176.70 × 248,364,211.80 - Step 4: Simplify right side
708,592,117.80x = 263,983,384,237,634,656 - Step 5: Solve for x
x = 263,983,384,237,634,656/708,592,117.80 - Step 6: Final answer
x = 372,546,317.70
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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.