Finding the Fourth Proportional to 1,605,703,530.11, 2,216,649,433.05 and 1,076,874,070.55
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Solution
The fourth proportional to 1,605,703,530.11, 2,216,649,433.05 and 1,076,874,070.55 is: 1,486,608,363.99
Step by Step Solution
- Step 1: Write the proportion equation
1,605,703,530.11 : 2,216,649,433.05 = 1,076,874,070.55 : x - Step 2: Convert to fraction form
1,605,703,530.11/2,216,649,433.05 = 1,076,874,070.55/x - Step 3: Cross multiply
1,605,703,530.11x = 2,216,649,433.05 × 1,076,874,070.55 - Step 4: Simplify right side
1,605,703,530.11x = 2,387,052,297,939,820,544 - Step 5: Solve for x
x = 2,387,052,297,939,820,544/1,605,703,530.11 - Step 6: Final answer
x = 1,486,608,363.99
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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.