Finding the Fourth Proportional to 411,775,940.58, 568,248,740.10 and 223,602,558.84
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Solution
The fourth proportional to 411,775,940.58, 568,248,740.10 and 223,602,558.84 is: 308,570,413.72
Step by Step Solution
- Step 1: Write the proportion equation
411,775,940.58 : 568,248,740.10 = 223,602,558.84 : x - Step 2: Convert to fraction form
411,775,940.58/568,248,740.10 = 223,602,558.84/x - Step 3: Cross multiply
411,775,940.58x = 568,248,740.10 × 223,602,558.84 - Step 4: Simplify right side
411,775,940.58x = 127,061,872,343,966,128 - Step 5: Solve for x
x = 127,061,872,343,966,128/411,775,940.58 - Step 6: Final answer
x = 308,570,413.72
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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.