Finding the Fourth Proportional to 1,927,489,377.18, 2,660,748,974.73 and 1,301,805,288.12
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Solution
The fourth proportional to 1,927,489,377.18, 2,660,748,974.73 and 1,301,805,288.12 is: 1,797,040,817.28
Step by Step Solution
- Step 1: Write the proportion equation
1,927,489,377.18 : 2,660,748,974.73 = 1,301,805,288.12 : x - Step 2: Convert to fraction form
1,927,489,377.18/2,660,748,974.73 = 1,301,805,288.12/x - Step 3: Cross multiply
1,927,489,377.18x = 2,660,748,974.73 × 1,301,805,288.12 - Step 4: Simplify right side
1,927,489,377.18x = 3,463,777,085,663,382,016 - Step 5: Solve for x
x = 3,463,777,085,663,382,016/1,927,489,377.18 - Step 6: Final answer
x = 1,797,040,817.28
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.