Finding the Fourth Proportional to 513,549,345.39, 769,844,778.35 and 202,659,538.83
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Solution
The fourth proportional to 513,549,345.39, 769,844,778.35 and 202,659,538.83 is: 303,800,188.14
Step by Step Solution
- Step 1: Write the proportion equation
513,549,345.39 : 769,844,778.35 = 202,659,538.83 : x - Step 2: Convert to fraction form
513,549,345.39/769,844,778.35 = 202,659,538.83/x - Step 3: Cross multiply
513,549,345.39x = 769,844,778.35 × 202,659,538.83 - Step 4: Simplify right side
513,549,345.39x = 156,016,387,750,081,280 - Step 5: Solve for x
x = 156,016,387,750,081,280/513,549,345.39 - Step 6: Final answer
x = 303,800,188.14
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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.