Finding the Fourth Proportional to 5,241,988,196, 7,864,086,602.84 and 1,700,453,102.12
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Solution
The fourth proportional to 5,241,988,196, 7,864,086,602.84 and 1,700,453,102.12 is: 2,551,037,880.88
Step by Step Solution
- Step 1: Write the proportion equation
5,241,988,196 : 7,864,086,602.84 = 1,700,453,102.12 : x - Step 2: Convert to fraction form
5,241,988,196/7,864,086,602.84 = 1,700,453,102.12/x - Step 3: Cross multiply
5,241,988,196x = 7,864,086,602.84 × 1,700,453,102.12 - Step 4: Simplify right side
5,241,988,196x = 13,372,510,459,139,610,624 - Step 5: Solve for x
x = 13,372,510,459,139,610,624/5,241,988,196 - Step 6: Final answer
x = 2,551,037,880.88
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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.