Finding the Fourth Proportional to 927,870,116.99, 1,392,347,901.40 and 346,006,344.83
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Solution
The fourth proportional to 927,870,116.99, 1,392,347,901.40 and 346,006,344.83 is: 519,211,901.83
Step by Step Solution
- Step 1: Write the proportion equation
927,870,116.99 : 1,392,347,901.40 = 346,006,344.83 : x - Step 2: Convert to fraction form
927,870,116.99/1,392,347,901.40 = 346,006,344.83/x - Step 3: Cross multiply
927,870,116.99x = 1,392,347,901.40 × 346,006,344.83 - Step 4: Simplify right side
927,870,116.99x = 481,761,208,087,308,480 - Step 5: Solve for x
x = 481,761,208,087,308,480/927,870,116.99 - Step 6: Final answer
x = 519,211,901.83
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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.