Finding the Fourth Proportional to 16,135,210,066.12, 22,266,589,934.10 and 8,718,025,810.12
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Solution
The fourth proportional to 16,135,210,066.12, 22,266,589,934.10 and 8,718,025,810.12 is: 12,030,875,641.12
Step by Step Solution
- Step 1: Write the proportion equation
16,135,210,066.12 : 22,266,589,934.10 = 8,718,025,810.12 : x - Step 2: Convert to fraction form
16,135,210,066.12/22,266,589,934.10 = 8,718,025,810.12/x - Step 3: Cross multiply
16,135,210,066.12x = 22,266,589,934.10 × 8,718,025,810.12 - Step 4: Simplify right side
16,135,210,066.12x = 194,120,705,748,841,988,096 - Step 5: Solve for x
x = 194,120,705,748,841,988,096/16,135,210,066.12 - Step 6: Final answer
x = 12,030,875,641.12
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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.