Finding the Fourth Proportional to 1,802,998,740.84, 2,490,472,256.94 and 1,490,993,272.68
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Solution
The fourth proportional to 1,802,998,740.84, 2,490,472,256.94 and 1,490,993,272.68 is: 2,059,500,817.60
Step by Step Solution
- Step 1: Write the proportion equation
1,802,998,740.84 : 2,490,472,256.94 = 1,490,993,272.68 : x - Step 2: Convert to fraction form
1,802,998,740.84/2,490,472,256.94 = 1,490,993,272.68/x - Step 3: Cross multiply
1,802,998,740.84x = 2,490,472,256.94 × 1,490,993,272.68 - Step 4: Simplify right side
1,802,998,740.84x = 3,713,277,380,893,716,480 - Step 5: Solve for x
x = 3,713,277,380,893,716,480/1,802,998,740.84 - Step 6: Final answer
x = 2,059,500,817.60
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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.