Finding the Fourth Proportional to 313,206,552.52, 469,804,852.14 and 76,858,609.48
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Solution
The fourth proportional to 313,206,552.52, 469,804,852.14 and 76,858,609.48 is: 115,286,692.99
Step by Step Solution
- Step 1: Write the proportion equation
313,206,552.52 : 469,804,852.14 = 76,858,609.48 : x - Step 2: Convert to fraction form
313,206,552.52/469,804,852.14 = 76,858,609.48/x - Step 3: Cross multiply
313,206,552.52x = 469,804,852.14 × 76,858,609.48 - Step 4: Simplify right side
313,206,552.52x = 36,108,547,662,437,400 - Step 5: Solve for x
x = 36,108,547,662,437,400/313,206,552.52 - Step 6: Final answer
x = 115,286,692.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.