Finding the Fourth Proportional to 723,042,731.84, 1,084,554,649.91 and 177,788,989.76
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Solution
The fourth proportional to 723,042,731.84, 1,084,554,649.91 and 177,788,989.76 is: 266,681,161.50
Step by Step Solution
- Step 1: Write the proportion equation
723,042,731.84 : 1,084,554,649.91 = 177,788,989.76 : x - Step 2: Convert to fraction form
723,042,731.84/1,084,554,649.91 = 177,788,989.76/x - Step 3: Cross multiply
723,042,731.84x = 1,084,554,649.91 × 177,788,989.76 - Step 4: Simplify right side
723,042,731.84x = 192,821,875,542,031,040 - Step 5: Solve for x
x = 192,821,875,542,031,040/723,042,731.84 - Step 6: Final answer
x = 266,681,161.50
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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.