Finding the Fourth Proportional to 995,584,000.10, 1,493,376,000.15 and 651,598,643.30
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Solution
The fourth proportional to 995,584,000.10, 1,493,376,000.15 and 651,598,643.30 is: 977,397,964.95
Step by Step Solution
- Step 1: Write the proportion equation
995,584,000.10 : 1,493,376,000.15 = 651,598,643.30 : x - Step 2: Convert to fraction form
995,584,000.10/1,493,376,000.15 = 651,598,643.30/x - Step 3: Cross multiply
995,584,000.10x = 1,493,376,000.15 × 651,598,643.30 - Step 4: Simplify right side
995,584,000.10x = 973,081,775,634,520,576 - Step 5: Solve for x
x = 973,081,775,634,520,576/995,584,000.10 - Step 6: Final answer
x = 977,397,964.95
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Similar ratio
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1.5x scale
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.