Finding the Fourth Proportional to 1,738,445,987.51, 2,607,685,122.80 and 494,876,407.88
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Solution
The fourth proportional to 1,738,445,987.51, 2,607,685,122.80 and 494,876,407.88 is: 742,319,206.77
Step by Step Solution
- Step 1: Write the proportion equation
1,738,445,987.51 : 2,607,685,122.80 = 494,876,407.88 : x - Step 2: Convert to fraction form
1,738,445,987.51/2,607,685,122.80 = 494,876,407.88/x - Step 3: Cross multiply
1,738,445,987.51x = 2,607,685,122.80 × 494,876,407.88 - Step 4: Simplify right side
1,738,445,987.51x = 1,290,481,846,453,380,864 - Step 5: Solve for x
x = 1,290,481,846,453,380,864/1,738,445,987.51 - Step 6: Final answer
x = 742,319,206.77
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.