Finding the Fourth Proportional to 313,261,670.79, 467,593,047.86 and 290,175,873.75
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Solution
The fourth proportional to 313,261,670.79, 467,593,047.86 and 290,175,873.75 is: 433,133,810.72
Step by Step Solution
- Step 1: Write the proportion equation
313,261,670.79 : 467,593,047.86 = 290,175,873.75 : x - Step 2: Convert to fraction form
313,261,670.79/467,593,047.86 = 290,175,873.75/x - Step 3: Cross multiply
313,261,670.79x = 467,593,047.86 × 290,175,873.75 - Step 4: Simplify right side
313,261,670.79x = 135,684,221,220,750,192 - Step 5: Solve for x
x = 135,684,221,220,750,192/313,261,670.79 - Step 6: Final answer
x = 433,133,810.72
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.