Finding the Fourth Proportional to 538,402,428.96, 807,603,599.70 and 170,195,988.84
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Solution
The fourth proportional to 538,402,428.96, 807,603,599.70 and 170,195,988.84 is: 255,293,969.43
Step by Step Solution
- Step 1: Write the proportion equation
538,402,428.96 : 807,603,599.70 = 170,195,988.84 : x - Step 2: Convert to fraction form
538,402,428.96/807,603,599.70 = 170,195,988.84/x - Step 3: Cross multiply
538,402,428.96x = 807,603,599.70 × 170,195,988.84 - Step 4: Simplify right side
538,402,428.96x = 137,450,893,241,685,040 - Step 5: Solve for x
x = 137,450,893,241,685,040/538,402,428.96 - Step 6: Final answer
x = 255,293,969.43
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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.