Finding the Fourth Proportional to 427,706,331.13, 590,133,574.51 and 242,067,346.75
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Solution
The fourth proportional to 427,706,331.13, 590,133,574.51 and 242,067,346.75 is: 333,995,683.98
Step by Step Solution
- Step 1: Write the proportion equation
427,706,331.13 : 590,133,574.51 = 242,067,346.75 : x - Step 2: Convert to fraction form
427,706,331.13/590,133,574.51 = 242,067,346.75/x - Step 3: Cross multiply
427,706,331.13x = 590,133,574.51 × 242,067,346.75 - Step 4: Simplify right side
427,706,331.13x = 142,852,068,609,729,136 - Step 5: Solve for x
x = 142,852,068,609,729,136/427,706,331.13 - Step 6: Final answer
x = 333,995,683.98
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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.