Finding the Fourth Proportional to 4,178,286,931.68, 5,766,035,929.56 and 2,298,651,877.44
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Solution
The fourth proportional to 4,178,286,931.68, 5,766,035,929.56 and 2,298,651,877.44 is: 3,172,139,570.97
Step by Step Solution
- Step 1: Write the proportion equation
4,178,286,931.68 : 5,766,035,929.56 = 2,298,651,877.44 : x - Step 2: Convert to fraction form
4,178,286,931.68/5,766,035,929.56 = 2,298,651,877.44/x - Step 3: Cross multiply
4,178,286,931.68x = 5,766,035,929.56 × 2,298,651,877.44 - Step 4: Simplify right side
4,178,286,931.68x = 13,254,109,314,869,590,016 - Step 5: Solve for x
x = 13,254,109,314,869,590,016/4,178,286,931.68 - Step 6: Final answer
x = 3,172,139,570.97
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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.