Finding the Fourth Proportional to 440,117,587.80, 660,176,381.70 and 236,044,243.80
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Solution
The fourth proportional to 440,117,587.80, 660,176,381.70 and 236,044,243.80 is: 354,066,365.70
Step by Step Solution
- Step 1: Write the proportion equation
440,117,587.80 : 660,176,381.70 = 236,044,243.80 : x - Step 2: Convert to fraction form
440,117,587.80/660,176,381.70 = 236,044,243.80/x - Step 3: Cross multiply
440,117,587.80x = 660,176,381.70 × 236,044,243.80 - Step 4: Simplify right side
440,117,587.80x = 155,830,834,792,996,672 - Step 5: Solve for x
x = 155,830,834,792,996,672/440,117,587.80 - Step 6: Final answer
x = 354,066,365.70
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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.