Finding the Fourth Proportional to 2,720,881,392.80, 4,081,720,220.40 and 880,320,855.20
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Solution
The fourth proportional to 2,720,881,392.80, 4,081,720,220.40 and 880,320,855.20 is: 1,320,610,095.18
Step by Step Solution
- Step 1: Write the proportion equation
2,720,881,392.80 : 4,081,720,220.40 = 880,320,855.20 : x - Step 2: Convert to fraction form
2,720,881,392.80/4,081,720,220.40 = 880,320,855.20/x - Step 3: Cross multiply
2,720,881,392.80x = 4,081,720,220.40 × 880,320,855.20 - Step 4: Simplify right side
2,720,881,392.80x = 3,593,223,435,109,660,672 - Step 5: Solve for x
x = 3,593,223,435,109,660,672/2,720,881,392.80 - Step 6: Final answer
x = 1,320,610,095.18
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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.