Finding the Fourth Proportional to 756,106,632.66, 1,042,733,728.86 and 518,297,413.98
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Solution
The fourth proportional to 756,106,632.66, 1,042,733,728.86 and 518,297,413.98 is: 714,775,101.54
Step by Step Solution
- Step 1: Write the proportion equation
756,106,632.66 : 1,042,733,728.86 = 518,297,413.98 : x - Step 2: Convert to fraction form
756,106,632.66/1,042,733,728.86 = 518,297,413.98/x - Step 3: Cross multiply
756,106,632.66x = 1,042,733,728.86 × 518,297,413.98 - Step 4: Simplify right side
756,106,632.66x = 540,446,195,137,860,544 - Step 5: Solve for x
x = 540,446,195,137,860,544/756,106,632.66 - Step 6: Final answer
x = 714,775,101.54
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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.