Finding the Fourth Proportional to 1,152,824,238.09, 1,729,342,661.13 and 376,473,967.65
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Solution
The fourth proportional to 1,152,824,238.09, 1,729,342,661.13 and 376,473,967.65 is: 564,745,666.82
Step by Step Solution
- Step 1: Write the proportion equation
1,152,824,238.09 : 1,729,342,661.13 = 376,473,967.65 : x - Step 2: Convert to fraction form
1,152,824,238.09/1,729,342,661.13 = 376,473,967.65/x - Step 3: Cross multiply
1,152,824,238.09x = 1,729,342,661.13 × 376,473,967.65 - Step 4: Simplify right side
1,152,824,238.09x = 651,052,493,062,020,480 - Step 5: Solve for x
x = 651,052,493,062,020,480/1,152,824,238.09 - Step 6: Final answer
x = 564,745,666.82
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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.