Finding the Fourth Proportional to 696,651,324.24, 961,378,544.88 and 383,385,537.12
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Solution
The fourth proportional to 696,651,324.24, 961,378,544.88 and 383,385,537.12 is: 529,071,885.72
Step by Step Solution
- Step 1: Write the proportion equation
696,651,324.24 : 961,378,544.88 = 383,385,537.12 : x - Step 2: Convert to fraction form
696,651,324.24/961,378,544.88 = 383,385,537.12/x - Step 3: Cross multiply
696,651,324.24x = 961,378,544.88 × 383,385,537.12 - Step 4: Simplify right side
696,651,324.24x = 368,578,629,804,462,848 - Step 5: Solve for x
x = 368,578,629,804,462,848/696,651,324.24 - Step 6: Final answer
x = 529,071,885.72
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1.5x scale
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.