Finding the Fourth Proportional to 1,292,632,419.84, 1,941,818,411.28 and 801,708,481.68
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Solution
The fourth proportional to 1,292,632,419.84, 1,941,818,411.28 and 801,708,481.68 is: 1,204,342,600.66
Step by Step Solution
- Step 1: Write the proportion equation
1,292,632,419.84 : 1,941,818,411.28 = 801,708,481.68 : x - Step 2: Convert to fraction form
1,292,632,419.84/1,941,818,411.28 = 801,708,481.68/x - Step 3: Cross multiply
1,292,632,419.84x = 1,941,818,411.28 × 801,708,481.68 - Step 4: Simplify right side
1,292,632,419.84x = 1,556,772,290,205,558,528 - Step 5: Solve for x
x = 1,556,772,290,205,558,528/1,292,632,419.84 - Step 6: Final answer
x = 1,204,342,600.66
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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.