Finding the Fourth Proportional to 783,206,999.11, 1,174,944,340.91 and 322,893,537.67
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Solution
The fourth proportional to 783,206,999.11, 1,174,944,340.91 and 322,893,537.67 is: 484,395,485.78
Step by Step Solution
- Step 1: Write the proportion equation
783,206,999.11 : 1,174,944,340.91 = 322,893,537.67 : x - Step 2: Convert to fraction form
783,206,999.11/1,174,944,340.91 = 322,893,537.67/x - Step 3: Cross multiply
783,206,999.11x = 1,174,944,340.91 × 322,893,537.67 - Step 4: Simplify right side
783,206,999.11x = 379,381,934,801,776,448 - Step 5: Solve for x
x = 379,381,934,801,776,448/783,206,999.11 - Step 6: Final answer
x = 484,395,485.78
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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.