Finding the Fourth Proportional to 4,688,878,503.21, 7,031,824,503.81 and 1,540,362,278.13
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Solution
The fourth proportional to 4,688,878,503.21, 7,031,824,503.81 and 1,540,362,278.13 is: 2,310,052,863.32
Step by Step Solution
- Step 1: Write the proportion equation
4,688,878,503.21 : 7,031,824,503.81 = 1,540,362,278.13 : x - Step 2: Convert to fraction form
4,688,878,503.21/7,031,824,503.81 = 1,540,362,278.13/x - Step 3: Cross multiply
4,688,878,503.21x = 7,031,824,503.81 × 1,540,362,278.13 - Step 4: Simplify right side
4,688,878,503.21x = 10,831,557,212,076,038,144 - Step 5: Solve for x
x = 10,831,557,212,076,038,144/4,688,878,503.21 - Step 6: Final answer
x = 2,310,052,863.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.