Finding the Fourth Proportional to 411,566,719.11, 617,471,354.18 and 165,796,886.04
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Solution
The fourth proportional to 411,566,719.11, 617,471,354.18 and 165,796,886.04 is: 248,744,184.09
Step by Step Solution
- Step 1: Write the proportion equation
411,566,719.11 : 617,471,354.18 = 165,796,886.04 : x - Step 2: Convert to fraction form
411,566,719.11/617,471,354.18 = 165,796,886.04/x - Step 3: Cross multiply
411,566,719.11x = 617,471,354.18 × 165,796,886.04 - Step 4: Simplify right side
411,566,719.11x = 102,374,827,741,945,920 - Step 5: Solve for x
x = 102,374,827,741,945,920/411,566,719.11 - Step 6: Final answer
x = 248,744,184.09
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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.