Finding the Fourth Proportional to 2,306,858,982.42, 3,183,480,681 and 1,249,586,954.55
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Solution
The fourth proportional to 2,306,858,982.42, 3,183,480,681 and 1,249,586,954.55 is: 1,724,438,277.05
Step by Step Solution
- Step 1: Write the proportion equation
2,306,858,982.42 : 3,183,480,681 = 1,249,586,954.55 : x - Step 2: Convert to fraction form
2,306,858,982.42/3,183,480,681 = 1,249,586,954.55/x - Step 3: Cross multiply
2,306,858,982.42x = 3,183,480,681 × 1,249,586,954.55 - Step 4: Simplify right side
2,306,858,982.42x = 3,978,035,929,039,549,952 - Step 5: Solve for x
x = 3,978,035,929,039,549,952/2,306,858,982.42 - Step 6: Final answer
x = 1,724,438,277.05
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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.