Finding the Fourth Proportional to 1,168,732,126,170.40, 1,612,850,299,166.80 and 647,886,224,708.71
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Solution
The fourth proportional to 1,168,732,126,170.40, 1,612,850,299,166.80 and 647,886,224,708.71 is: 894,082,970,724.41
Step by Step Solution
- Step 1: Write the proportion equation
1,168,732,126,170.40 : 1,612,850,299,166.80 = 647,886,224,708.71 : x - Step 2: Convert to fraction form
1,168,732,126,170.40/1,612,850,299,166.80 = 647,886,224,708.71/x - Step 3: Cross multiply
1,168,732,126,170.40x = 1,612,850,299,166.80 × 647,886,224,708.71 - Step 4: Simplify right side
1,168,732,126,170.40x = 1,044,943,491,347,491,466,510,336 - Step 5: Solve for x
x = 1,044,943,491,347,491,466,510,336/1,168,732,126,170.40 - Step 6: Final answer
x = 894,082,970,724.41
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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.