Finding the Fourth Proportional to 1,985,721,394.56, 2,740,489,083.40 and 1,483,057,497.84
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Solution
The fourth proportional to 1,985,721,394.56, 2,740,489,083.40 and 1,483,057,497.84 is: 2,046,763,908.58
Step by Step Solution
- Step 1: Write the proportion equation
1,985,721,394.56 : 2,740,489,083.40 = 1,483,057,497.84 : x - Step 2: Convert to fraction form
1,985,721,394.56/2,740,489,083.40 = 1,483,057,497.84/x - Step 3: Cross multiply
1,985,721,394.56x = 2,740,489,083.40 × 1,483,057,497.84 - Step 4: Simplify right side
1,985,721,394.56x = 4,064,302,882,885,039,104 - Step 5: Solve for x
x = 4,064,302,882,885,039,104/1,985,721,394.56 - Step 6: Final answer
x = 2,046,763,908.58
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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.