Finding the Fourth Proportional to 783,206,999.70, 1,174,944,341.80 and 322,893,538.26
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Solution
The fourth proportional to 783,206,999.70, 1,174,944,341.80 and 322,893,538.26 is: 484,395,486.67
Step by Step Solution
- Step 1: Write the proportion equation
783,206,999.70 : 1,174,944,341.80 = 322,893,538.26 : x - Step 2: Convert to fraction form
783,206,999.70/1,174,944,341.80 = 322,893,538.26/x - Step 3: Cross multiply
783,206,999.70x = 1,174,944,341.80 × 322,893,538.26 - Step 4: Simplify right side
783,206,999.70x = 379,381,935,782,368,768 - Step 5: Solve for x
x = 379,381,935,782,368,768/783,206,999.70 - Step 6: Final answer
x = 484,395,486.67
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.