Finding the Fourth Proportional to 2,938,822,423.92, 4,055,667,832.44 and 1,600,752,721.68
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Solution
The fourth proportional to 2,938,822,423.92, 4,055,667,832.44 and 1,600,752,721.68 is: 2,209,089,350.95
Step by Step Solution
- Step 1: Write the proportion equation
2,938,822,423.92 : 4,055,667,832.44 = 1,600,752,721.68 : x - Step 2: Convert to fraction form
2,938,822,423.92/4,055,667,832.44 = 1,600,752,721.68/x - Step 3: Cross multiply
2,938,822,423.92x = 4,055,667,832.44 × 1,600,752,721.68 - Step 4: Simplify right side
2,938,822,423.92x = 6,492,121,321,008,356,352 - Step 5: Solve for x
x = 6,492,121,321,008,356,352/2,938,822,423.92 - Step 6: Final answer
x = 2,209,089,350.95
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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.