Finding the Fourth Proportional to 881,560,526.24, 1,216,516,994.64 and 479,675,934.56
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Solution
The fourth proportional to 881,560,526.24, 1,216,516,994.64 and 479,675,934.56 is: 661,932,912.08
Step by Step Solution
- Step 1: Write the proportion equation
881,560,526.24 : 1,216,516,994.64 = 479,675,934.56 : x - Step 2: Convert to fraction form
881,560,526.24/1,216,516,994.64 = 479,675,934.56/x - Step 3: Cross multiply
881,560,526.24x = 1,216,516,994.64 × 479,675,934.56 - Step 4: Simplify right side
881,560,526.24x = 583,533,926,312,064,512 - Step 5: Solve for x
x = 583,533,926,312,064,512/881,560,526.24 - Step 6: Final answer
x = 661,932,912.08
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.