Finding the Fourth Proportional to 1,662,176,170.35, 2,293,801,897.95 and 909,494,288.19
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Solution
The fourth proportional to 1,662,176,170.35, 2,293,801,897.95 and 909,494,288.19 is: 1,255,101,451.72
Step by Step Solution
- Step 1: Write the proportion equation
1,662,176,170.35 : 2,293,801,897.95 = 909,494,288.19 : x - Step 2: Convert to fraction form
1,662,176,170.35/2,293,801,897.95 = 909,494,288.19/x - Step 3: Cross multiply
1,662,176,170.35x = 2,293,801,897.95 × 909,494,288.19 - Step 4: Simplify right side
1,662,176,170.35x = 2,086,199,724,424,906,240 - Step 5: Solve for x
x = 2,086,199,724,424,906,240/1,662,176,170.35 - Step 6: Final answer
x = 1,255,101,451.72
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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.