Finding the Fourth Proportional to 613,957,635.19, 920,837,545.62 and 171,311,765.77
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Solution
The fourth proportional to 613,957,635.19, 920,837,545.62 and 171,311,765.77 is: 256,940,050.72
Step by Step Solution
- Step 1: Write the proportion equation
613,957,635.19 : 920,837,545.62 = 171,311,765.77 : x - Step 2: Convert to fraction form
613,957,635.19/920,837,545.62 = 171,311,765.77/x - Step 3: Cross multiply
613,957,635.19x = 920,837,545.62 × 171,311,765.77 - Step 4: Simplify right side
613,957,635.19x = 157,750,305,927,475,136 - Step 5: Solve for x
x = 157,750,305,927,475,136/613,957,635.19 - Step 6: Final answer
x = 256,940,050.72
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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.