Finding the Fourth Proportional to 702,538,125.40, 1,053,809,501.70 and 177,906,940.12
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Solution
The fourth proportional to 702,538,125.40, 1,053,809,501.70 and 177,906,940.12 is: 266,860,996.06
Step by Step Solution
- Step 1: Write the proportion equation
702,538,125.40 : 1,053,809,501.70 = 177,906,940.12 : x - Step 2: Convert to fraction form
702,538,125.40/1,053,809,501.70 = 177,906,940.12/x - Step 3: Cross multiply
702,538,125.40x = 1,053,809,501.70 × 177,906,940.12 - Step 4: Simplify right side
702,538,125.40x = 187,480,023,916,828,960 - Step 5: Solve for x
x = 187,480,023,916,828,960/702,538,125.40 - Step 6: Final answer
x = 266,860,996.06
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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.