Finding the Fourth Proportional to 1,113,204,700.12, 1,669,531,115.58 and 376,258,221.04
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Solution
The fourth proportional to 1,113,204,700.12, 1,669,531,115.58 and 376,258,221.04 is: 564,294,066.90
Step by Step Solution
- Step 1: Write the proportion equation
1,113,204,700.12 : 1,669,531,115.58 = 376,258,221.04 : x - Step 2: Convert to fraction form
1,113,204,700.12/1,669,531,115.58 = 376,258,221.04/x - Step 3: Cross multiply
1,113,204,700.12x = 1,669,531,115.58 × 376,258,221.04 - Step 4: Simplify right side
1,113,204,700.12x = 628,174,807,519,057,408 - Step 5: Solve for x
x = 628,174,807,519,057,408/1,113,204,700.12 - Step 6: Final answer
x = 564,294,066.90
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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.