Finding the Fourth Proportional to 824,256,944.10, 1,236,385,416.15 and 818,517,381.30
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Solution
The fourth proportional to 824,256,944.10, 1,236,385,416.15 and 818,517,381.30 is: 1,227,776,071.95
Step by Step Solution
- Step 1: Write the proportion equation
824,256,944.10 : 1,236,385,416.15 = 818,517,381.30 : x - Step 2: Convert to fraction form
824,256,944.10/1,236,385,416.15 = 818,517,381.30/x - Step 3: Cross multiply
824,256,944.10x = 1,236,385,416.15 × 818,517,381.30 - Step 4: Simplify right side
824,256,944.10x = 1,012,002,953,104,608,768 - Step 5: Solve for x
x = 1,012,002,953,104,608,768/824,256,944.10 - Step 6: Final answer
x = 1,227,776,071.95
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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.