Finding the Fourth Proportional to 185,049,683,430.03, 255,274,579,761.09 and 120,857,982,607.62
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Solution
The fourth proportional to 185,049,683,430.03, 255,274,579,761.09 and 120,857,982,607.62 is: 166,722,634,424.82
Step by Step Solution
- Step 1: Write the proportion equation
185,049,683,430.03 : 255,274,579,761.09 = 120,857,982,607.62 : x - Step 2: Convert to fraction form
185,049,683,430.03/255,274,579,761.09 = 120,857,982,607.62/x - Step 3: Cross multiply
185,049,683,430.03x = 255,274,579,761.09 × 120,857,982,607.62 - Step 4: Simplify right side
185,049,683,430.03x = 30,851,970,720,933,320,065,024 - Step 5: Solve for x
x = 30,851,970,720,933,320,065,024/185,049,683,430.03 - Step 6: Final answer
x = 166,722,634,424.82
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1.5x scale
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.