Finding the Fourth Proportional to 4,908,194,713.70, 7,363,326,201.65 and 1,591,750,686.80
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Solution
The fourth proportional to 4,908,194,713.70, 7,363,326,201.65 and 1,591,750,686.80 is: 2,387,961,403.79
Step by Step Solution
- Step 1: Write the proportion equation
4,908,194,713.70 : 7,363,326,201.65 = 1,591,750,686.80 : x - Step 2: Convert to fraction form
4,908,194,713.70/7,363,326,201.65 = 1,591,750,686.80/x - Step 3: Cross multiply
4,908,194,713.70x = 7,363,326,201.65 × 1,591,750,686.80 - Step 4: Simplify right side
4,908,194,713.70x = 11,720,579,538,629,740,544 - Step 5: Solve for x
x = 11,720,579,538,629,740,544/4,908,194,713.70 - Step 6: Final answer
x = 2,387,961,403.79
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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.