Finding the Fourth Proportional to 2,502,201,612.70, 3,753,302,419.05 and 1,921,070,879.20
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Solution
The fourth proportional to 2,502,201,612.70, 3,753,302,419.05 and 1,921,070,879.20 is: 2,881,606,318.80
Step by Step Solution
- Step 1: Write the proportion equation
2,502,201,612.70 : 3,753,302,419.05 = 1,921,070,879.20 : x - Step 2: Convert to fraction form
2,502,201,612.70/3,753,302,419.05 = 1,921,070,879.20/x - Step 3: Cross multiply
2,502,201,612.70x = 3,753,302,419.05 × 1,921,070,879.20 - Step 4: Simplify right side
2,502,201,612.70x = 7,210,359,978,067,870,720 - Step 5: Solve for x
x = 7,210,359,978,067,870,720/2,502,201,612.70 - Step 6: Final answer
x = 2,881,606,318.80
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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.