Finding the Fourth Proportional to 436,879,231.19, 602,893,315.86 and 235,936,088.65
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Solution
The fourth proportional to 436,879,231.19, 602,893,315.86 and 235,936,088.65 is: 325,591,789.82
Step by Step Solution
- Step 1: Write the proportion equation
436,879,231.19 : 602,893,315.86 = 235,936,088.65 : x - Step 2: Convert to fraction form
436,879,231.19/602,893,315.86 = 235,936,088.65/x - Step 3: Cross multiply
436,879,231.19x = 602,893,315.86 × 235,936,088.65 - Step 4: Simplify right side
436,879,231.19x = 142,244,290,817,237,424 - Step 5: Solve for x
x = 142,244,290,817,237,424/436,879,231.19 - Step 6: Final answer
x = 325,591,789.82
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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.