Finding the Fourth Proportional to 988,045,057.44, 1,480,196,887.68 and 659,530,000.80
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Solution
The fourth proportional to 988,045,057.44, 1,480,196,887.68 and 659,530,000.80 is: 988,046,291.17
Step by Step Solution
- Step 1: Write the proportion equation
988,045,057.44 : 1,480,196,887.68 = 659,530,000.80 : x - Step 2: Convert to fraction form
988,045,057.44/1,480,196,887.68 = 659,530,000.80/x - Step 3: Cross multiply
988,045,057.44x = 1,480,196,887.68 × 659,530,000.80 - Step 4: Simplify right side
988,045,057.44x = 976,234,254,515,747,840 - Step 5: Solve for x
x = 976,234,254,515,747,840/988,045,057.44 - Step 6: Final answer
x = 988,046,291.17
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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.