Finding the Fourth Proportional to 2,069,176,872.69, 2,859,199,259.96 and 1,473,427,069.36
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Solution
The fourth proportional to 2,069,176,872.69, 2,859,199,259.96 and 1,473,427,069.36 is: 2,035,989,113.31
Step by Step Solution
- Step 1: Write the proportion equation
2,069,176,872.69 : 2,859,199,259.96 = 1,473,427,069.36 : x - Step 2: Convert to fraction form
2,069,176,872.69/2,859,199,259.96 = 1,473,427,069.36/x - Step 3: Cross multiply
2,069,176,872.69x = 2,859,199,259.96 × 1,473,427,069.36 - Step 4: Simplify right side
2,069,176,872.69x = 4,212,821,586,315,679,744 - Step 5: Solve for x
x = 4,212,821,586,315,679,744/2,069,176,872.69 - Step 6: Final answer
x = 2,035,989,113.31
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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.