Finding the Fourth Proportional to 415,586,545.14, 623,395,761.34 and 185,557,622.70
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Solution
The fourth proportional to 415,586,545.14, 623,395,761.34 and 185,557,622.70 is: 278,343,552.81
Step by Step Solution
- Step 1: Write the proportion equation
415,586,545.14 : 623,395,761.34 = 185,557,622.70 : x - Step 2: Convert to fraction form
415,586,545.14/623,395,761.34 = 185,557,622.70/x - Step 3: Cross multiply
415,586,545.14x = 623,395,761.34 × 185,557,622.70 - Step 4: Simplify right side
415,586,545.14x = 115,675,835,475,506,960 - Step 5: Solve for x
x = 115,675,835,475,506,960/415,586,545.14 - Step 6: Final answer
x = 278,343,552.81
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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.