Finding the Fourth Proportional to 765,802,800.68, 1,149,038,322.71 and 268,170,482.09
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Solution
The fourth proportional to 765,802,800.68, 1,149,038,322.71 and 268,170,482.09 is: 402,372,726.59
Step by Step Solution
- Step 1: Write the proportion equation
765,802,800.68 : 1,149,038,322.71 = 268,170,482.09 : x - Step 2: Convert to fraction form
765,802,800.68/1,149,038,322.71 = 268,170,482.09/x - Step 3: Cross multiply
765,802,800.68x = 1,149,038,322.71 × 268,170,482.09 - Step 4: Simplify right side
765,802,800.68x = 308,138,160,941,025,728 - Step 5: Solve for x
x = 308,138,160,941,025,728/765,802,800.68 - Step 6: Final answer
x = 402,372,726.59
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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.