Finding the Fourth Proportional to 1,970,564,933.22, 2,719,386,812.34 and 1,066,320,872.70
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Solution
The fourth proportional to 1,970,564,933.22, 2,719,386,812.34 and 1,066,320,872.70 is: 1,471,526,702.86
Step by Step Solution
- Step 1: Write the proportion equation
1,970,564,933.22 : 2,719,386,812.34 = 1,066,320,872.70 : x - Step 2: Convert to fraction form
1,970,564,933.22/2,719,386,812.34 = 1,066,320,872.70/x - Step 3: Cross multiply
1,970,564,933.22x = 2,719,386,812.34 × 1,066,320,872.70 - Step 4: Simplify right side
1,970,564,933.22x = 2,899,738,918,943,260,160 - Step 5: Solve for x
x = 2,899,738,918,943,260,160/1,970,564,933.22 - Step 6: Final answer
x = 1,471,526,702.86
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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.