Finding the Fourth Proportional to 1,558,332,546, 2,150,566,512.84 and 862,971,522
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Solution
The fourth proportional to 1,558,332,546, 2,150,566,512.84 and 862,971,522 is: 1,190,938,135.45
Step by Step Solution
- Step 1: Write the proportion equation
1,558,332,546 : 2,150,566,512.84 = 862,971,522 : x - Step 2: Convert to fraction form
1,558,332,546/2,150,566,512.84 = 862,971,522/x - Step 3: Cross multiply
1,558,332,546x = 2,150,566,512.84 × 862,971,522 - Step 4: Simplify right side
1,558,332,546x = 1,855,877,656,747,767,552 - Step 5: Solve for x
x = 1,855,877,656,747,767,552/1,558,332,546 - Step 6: Final answer
x = 1,190,938,135.45
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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.