Finding the Fourth Proportional to 1,473,494,205.88, 2,209,151,683.74 and 891,098,974.96
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Solution
The fourth proportional to 1,473,494,205.88, 2,209,151,683.74 and 891,098,974.96 is: 1,335,989,509.19
Step by Step Solution
- Step 1: Write the proportion equation
1,473,494,205.88 : 2,209,151,683.74 = 891,098,974.96 : x - Step 2: Convert to fraction form
1,473,494,205.88/2,209,151,683.74 = 891,098,974.96/x - Step 3: Cross multiply
1,473,494,205.88x = 2,209,151,683.74 × 891,098,974.96 - Step 4: Simplify right side
1,473,494,205.88x = 1,968,572,800,911,872,000 - Step 5: Solve for x
x = 1,968,572,800,911,872,000/1,473,494,205.88 - Step 6: Final answer
x = 1,335,989,509.19
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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.