Finding the Fourth Proportional to 7,588,420,916.32, 11,386,522,579.92 and 3,661,476,090.40
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Solution
The fourth proportional to 7,588,420,916.32, 11,386,522,579.92 and 3,661,476,090.40 is: 5,494,091,674.53
Step by Step Solution
- Step 1: Write the proportion equation
7,588,420,916.32 : 11,386,522,579.92 = 3,661,476,090.40 : x - Step 2: Convert to fraction form
7,588,420,916.32/11,386,522,579.92 = 3,661,476,090.40/x - Step 3: Cross multiply
7,588,420,916.32x = 11,386,522,579.92 × 3,661,476,090.40 - Step 4: Simplify right side
7,588,420,916.32x = 41,691,480,179,176,808,448 - Step 5: Solve for x
x = 41,691,480,179,176,808,448/7,588,420,916.32 - Step 6: Final answer
x = 5,494,091,674.53
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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.