Finding the Fourth Proportional to 951,990,633.04, 1,421,575,229.79 and 777,459,895.84
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Solution
The fourth proportional to 951,990,633.04, 1,421,575,229.79 and 777,459,895.84 is: 1,160,954,416.70
Step by Step Solution
- Step 1: Write the proportion equation
951,990,633.04 : 1,421,575,229.79 = 777,459,895.84 : x - Step 2: Convert to fraction form
951,990,633.04/1,421,575,229.79 = 777,459,895.84/x - Step 3: Cross multiply
951,990,633.04x = 1,421,575,229.79 × 777,459,895.84 - Step 4: Simplify right side
951,990,633.04x = 1,105,217,730,081,257,472 - Step 5: Solve for x
x = 1,105,217,730,081,257,472/951,990,633.04 - Step 6: Final answer
x = 1,160,954,416.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.