Finding the Fourth Proportional to 1,605,703,530.61, 2,216,649,433.74 and 1,076,874,071.05
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Solution
The fourth proportional to 1,605,703,530.61, 2,216,649,433.74 and 1,076,874,071.05 is: 1,486,608,364.68
Step by Step Solution
- Step 1: Write the proportion equation
1,605,703,530.61 : 2,216,649,433.74 = 1,076,874,071.05 : x - Step 2: Convert to fraction form
1,605,703,530.61/2,216,649,433.74 = 1,076,874,071.05/x - Step 3: Cross multiply
1,605,703,530.61x = 2,216,649,433.74 × 1,076,874,071.05 - Step 4: Simplify right side
1,605,703,530.61x = 2,387,052,299,791,187,456 - Step 5: Solve for x
x = 2,387,052,299,791,187,456/1,605,703,530.61 - Step 6: Final answer
x = 1,486,608,364.68
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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.