Finding the Fourth Proportional to 406,873,387.79, 610,310,081.68 and 119,659,051.79
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Solution
The fourth proportional to 406,873,387.79, 610,310,081.68 and 119,659,051.79 is: 179,488,577.68
Step by Step Solution
- Step 1: Write the proportion equation
406,873,387.79 : 610,310,081.68 = 119,659,051.79 : x - Step 2: Convert to fraction form
406,873,387.79/610,310,081.68 = 119,659,051.79/x - Step 3: Cross multiply
406,873,387.79x = 610,310,081.68 × 119,659,051.79 - Step 4: Simplify right side
406,873,387.79x = 73,029,125,668,056,400 - Step 5: Solve for x
x = 73,029,125,668,056,400/406,873,387.79 - Step 6: Final answer
x = 179,488,577.68
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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.