Finding the Fourth Proportional to 1,908,428,472,210.20, 2,862,623,843,540.20 and 874,338,157,693.68
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Solution
The fourth proportional to 1,908,428,472,210.20, 2,862,623,843,540.20 and 874,338,157,693.68 is: 1,311,498,593,726.32
Step by Step Solution
- Step 1: Write the proportion equation
1,908,428,472,210.20 : 2,862,623,843,540.20 = 874,338,157,693.68 : x - Step 2: Convert to fraction form
1,908,428,472,210.20/2,862,623,843,540.20 = 874,338,157,693.68/x - Step 3: Cross multiply
1,908,428,472,210.20x = 2,862,623,843,540.20 × 874,338,157,693.68 - Step 4: Simplify right side
1,908,428,472,210.20x = 2,502,901,257,530,940,132,950,016 - Step 5: Solve for x
x = 2,502,901,257,530,940,132,950,016/1,908,428,472,210.20 - Step 6: Final answer
x = 1,311,498,593,726.32
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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.