Finding the Fourth Proportional to 411,804,590.94, 617,706,390.63 and 105,096,736.62
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Solution
The fourth proportional to 411,804,590.94, 617,706,390.63 and 105,096,736.62 is: 157,644,978.40
Step by Step Solution
- Step 1: Write the proportion equation
411,804,590.94 : 617,706,390.63 = 105,096,736.62 : x - Step 2: Convert to fraction form
411,804,590.94/617,706,390.63 = 105,096,736.62/x - Step 3: Cross multiply
411,804,590.94x = 617,706,390.63 × 105,096,736.62 - Step 4: Simplify right side
411,804,590.94x = 64,918,925,844,531,952 - Step 5: Solve for x
x = 64,918,925,844,531,952/411,804,590.94 - Step 6: Final answer
x = 157,644,978.40
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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.