Finding the Fourth Proportional to 705,926,323.92, 1,059,018,770.67 and 291,176,893.99
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Solution
The fourth proportional to 705,926,323.92, 1,059,018,770.67 and 291,176,893.99 is: 436,818,667.72
Step by Step Solution
- Step 1: Write the proportion equation
705,926,323.92 : 1,059,018,770.67 = 291,176,893.99 : x - Step 2: Convert to fraction form
705,926,323.92/1,059,018,770.67 = 291,176,893.99/x - Step 3: Cross multiply
705,926,323.92x = 1,059,018,770.67 × 291,176,893.99 - Step 4: Simplify right side
705,926,323.92x = 308,361,796,320,798,720 - Step 5: Solve for x
x = 308,361,796,320,798,720/705,926,323.92 - Step 6: Final answer
x = 436,818,667.72
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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.