Finding the Fourth Proportional to 411,926,230.15, 567,917,274.79 and 297,257,391.68
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Solution
The fourth proportional to 411,926,230.15, 567,917,274.79 and 297,257,391.68 is: 409,824,855.61
Step by Step Solution
- Step 1: Write the proportion equation
411,926,230.15 : 567,917,274.79 = 297,257,391.68 : x - Step 2: Convert to fraction form
411,926,230.15/567,917,274.79 = 297,257,391.68/x - Step 3: Cross multiply
411,926,230.15x = 567,917,274.79 × 297,257,391.68 - Step 4: Simplify right side
411,926,230.15x = 168,817,607,794,089,216 - Step 5: Solve for x
x = 168,817,607,794,089,216/411,926,230.15 - Step 6: Final answer
x = 409,824,855.61
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.