Finding the Fourth Proportional to 2,645,699,778.80, 3,651,036,721.08 and 1,456,243,316.72
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Solution
The fourth proportional to 2,645,699,778.80, 3,651,036,721.08 and 1,456,243,316.72 is: 2,009,599,829.42
Step by Step Solution
- Step 1: Write the proportion equation
2,645,699,778.80 : 3,651,036,721.08 = 1,456,243,316.72 : x - Step 2: Convert to fraction form
2,645,699,778.80/3,651,036,721.08 = 1,456,243,316.72/x - Step 3: Cross multiply
2,645,699,778.80x = 3,651,036,721.08 × 1,456,243,316.72 - Step 4: Simplify right side
2,645,699,778.80x = 5,316,797,824,172,052,480 - Step 5: Solve for x
x = 5,316,797,824,172,052,480/2,645,699,778.80 - Step 6: Final answer
x = 2,009,599,829.42
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1.5x scale
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.