Finding the Fourth Proportional to 519,694,428.60, 717,001,754.93 and 296,515,780.65
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Solution
The fourth proportional to 519,694,428.60, 717,001,754.93 and 296,515,780.65 is: 409,091,041.56
Step by Step Solution
- Step 1: Write the proportion equation
519,694,428.60 : 717,001,754.93 = 296,515,780.65 : x - Step 2: Convert to fraction form
519,694,428.60/717,001,754.93 = 296,515,780.65/x - Step 3: Cross multiply
519,694,428.60x = 717,001,754.93 × 296,515,780.65 - Step 4: Simplify right side
519,694,428.60x = 212,602,335,089,006,336 - Step 5: Solve for x
x = 212,602,335,089,006,336/519,694,428.60 - Step 6: Final answer
x = 409,091,041.56
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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.