Finding the Fourth Proportional to 856,302,001.40, 1,201,241,449 and 856,302,001.40
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Solution
The fourth proportional to 856,302,001.40, 1,201,241,449 and 856,302,001.40 is: 1,201,241,449
Step by Step Solution
- Step 1: Write the proportion equation
856,302,001.40 : 1,201,241,449 = 856,302,001.40 : x - Step 2: Convert to fraction form
856,302,001.40/1,201,241,449 = 856,302,001.40/x - Step 3: Cross multiply
856,302,001.40x = 1,201,241,449 × 856,302,001.40 - Step 4: Simplify right side
856,302,001.40x = 1,028,625,456,943,335,936 - Step 5: Solve for x
x = 1,028,625,456,943,335,936/856,302,001.40 - Step 6: Final answer
x = 1,201,241,449
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.