Finding the Fourth Proportional to 1,214,268,178.34, 1,675,690,647.59 and 657,351,226.01
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Solution
The fourth proportional to 1,214,268,178.34, 1,675,690,647.59 and 657,351,226.01 is: 907,144,995.85
Step by Step Solution
- Step 1: Write the proportion equation
1,214,268,178.34 : 1,675,690,647.59 = 657,351,226.01 : x - Step 2: Convert to fraction form
1,214,268,178.34/1,675,690,647.59 = 657,351,226.01/x - Step 3: Cross multiply
1,214,268,178.34x = 1,675,690,647.59 × 657,351,226.01 - Step 4: Simplify right side
1,214,268,178.34x = 1,101,517,301,606,777,216 - Step 5: Solve for x
x = 1,101,517,301,606,777,216/1,214,268,178.34 - Step 6: Final answer
x = 907,144,995.85
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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.