Finding the Fourth Proportional to 1,721,768,975.05, 2,583,063,316.07 and 557,237,466.14
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Solution
The fourth proportional to 1,721,768,975.05, 2,583,063,316.07 and 557,237,466.14 is: 835,988,845.18
Step by Step Solution
- Step 1: Write the proportion equation
1,721,768,975.05 : 2,583,063,316.07 = 557,237,466.14 : x - Step 2: Convert to fraction form
1,721,768,975.05/2,583,063,316.07 = 557,237,466.14/x - Step 3: Cross multiply
1,721,768,975.05x = 2,583,063,316.07 × 557,237,466.14 - Step 4: Simplify right side
1,721,768,975.05x = 1,439,379,657,126,965,504 - Step 5: Solve for x
x = 1,439,379,657,126,965,504/1,721,768,975.05 - Step 6: Final answer
x = 835,988,845.18
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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.