Finding the Fourth Proportional to 6,165,925,756.77, 8,507,519,160.26 and 3,489,705,935.31
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Solution
The fourth proportional to 6,165,925,756.77, 8,507,519,160.26 and 3,489,705,935.31 is: 4,814,968,794.55
Step by Step Solution
- Step 1: Write the proportion equation
6,165,925,756.77 : 8,507,519,160.26 = 3,489,705,935.31 : x - Step 2: Convert to fraction form
6,165,925,756.77/8,507,519,160.26 = 3,489,705,935.31/x - Step 3: Cross multiply
6,165,925,756.77x = 8,507,519,160.26 × 3,489,705,935.31 - Step 4: Simplify right side
6,165,925,756.77x = 29,688,740,108,308,451,328 - Step 5: Solve for x
x = 29,688,740,108,308,451,328/6,165,925,756.77 - Step 6: Final answer
x = 4,814,968,794.55
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1.5x scale
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.