Finding the Fourth Proportional to 751,069,413.47, 1,036,338,743.82 and 433,413,774.09
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Solution
The fourth proportional to 751,069,413.47, 1,036,338,743.82 and 433,413,774.09 is: 598,031,923.73
Step by Step Solution
- Step 1: Write the proportion equation
751,069,413.47 : 1,036,338,743.82 = 433,413,774.09 : x - Step 2: Convert to fraction form
751,069,413.47/1,036,338,743.82 = 433,413,774.09/x - Step 3: Cross multiply
751,069,413.47x = 1,036,338,743.82 × 433,413,774.09 - Step 4: Simplify right side
751,069,413.47x = 449,163,486,193,677,696 - Step 5: Solve for x
x = 449,163,486,193,677,696/751,069,413.47 - Step 6: Final answer
x = 598,031,923.73
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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.