Finding the Fourth Proportional to 4,761,078,639.60, 7,134,835,690.08 and 3,507,651,815.28
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Solution
The fourth proportional to 4,761,078,639.60, 7,134,835,690.08 and 3,507,651,815.28 is: 5,256,480,989.81
Step by Step Solution
- Step 1: Write the proportion equation
4,761,078,639.60 : 7,134,835,690.08 = 3,507,651,815.28 : x - Step 2: Convert to fraction form
4,761,078,639.60/7,134,835,690.08 = 3,507,651,815.28/x - Step 3: Cross multiply
4,761,078,639.60x = 7,134,835,690.08 × 3,507,651,815.28 - Step 4: Simplify right side
4,761,078,639.60x = 25,026,519,360,033,644,544 - Step 5: Solve for x
x = 25,026,519,360,033,644,544/4,761,078,639.60 - Step 6: Final answer
x = 5,256,480,989.81
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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.