Finding the Fourth Proportional to 1,296,471,413.58, 1,944,712,106.73 and 313,896,316.02
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Solution
The fourth proportional to 1,296,471,413.58, 1,944,712,106.73 and 313,896,316.02 is: 470,845,681.31
Step by Step Solution
- Step 1: Write the proportion equation
1,296,471,413.58 : 1,944,712,106.73 = 313,896,316.02 : x - Step 2: Convert to fraction form
1,296,471,413.58/1,944,712,106.73 = 313,896,316.02/x - Step 3: Cross multiply
1,296,471,413.58x = 1,944,712,106.73 × 313,896,316.02 - Step 4: Simplify right side
1,296,471,413.58x = 610,437,966,022,040,064 - Step 5: Solve for x
x = 610,437,966,022,040,064/1,296,471,413.58 - Step 6: Final answer
x = 470,845,681.31
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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.