Finding the Fourth Proportional to 4,676,968,668.36, 6,453,396,360.90 and 2,668,886,963.40
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Solution
The fourth proportional to 4,676,968,668.36, 6,453,396,360.90 and 2,668,886,963.40 is: 3,682,595,851.83
Step by Step Solution
- Step 1: Write the proportion equation
4,676,968,668.36 : 6,453,396,360.90 = 2,668,886,963.40 : x - Step 2: Convert to fraction form
4,676,968,668.36/6,453,396,360.90 = 2,668,886,963.40/x - Step 3: Cross multiply
4,676,968,668.36x = 6,453,396,360.90 × 2,668,886,963.40 - Step 4: Simplify right side
4,676,968,668.36x = 17,223,385,417,259,012,096 - Step 5: Solve for x
x = 17,223,385,417,259,012,096/4,676,968,668.36 - Step 6: Final answer
x = 3,682,595,851.83
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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.