Finding the Fourth Proportional to 995,328,098.90, 1,492,992,148.35 and 305,229,871.70
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Solution
The fourth proportional to 995,328,098.90, 1,492,992,148.35 and 305,229,871.70 is: 457,844,807.55
Step by Step Solution
- Step 1: Write the proportion equation
995,328,098.90 : 1,492,992,148.35 = 305,229,871.70 : x - Step 2: Convert to fraction form
995,328,098.90/1,492,992,148.35 = 305,229,871.70/x - Step 3: Cross multiply
995,328,098.90x = 1,492,992,148.35 × 305,229,871.70 - Step 4: Simplify right side
995,328,098.90x = 455,705,801,889,977,792 - Step 5: Solve for x
x = 455,705,801,889,977,792/995,328,098.90 - Step 6: Final answer
x = 457,844,807.55
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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.