Finding the Fourth Proportional to 279,927,592.63, 419,875,694.44 and 85,838,474.99
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Solution
The fourth proportional to 279,927,592.63, 419,875,694.44 and 85,838,474.99 is: 128,752,899.83
Step by Step Solution
- Step 1: Write the proportion equation
279,927,592.63 : 419,875,694.44 = 85,838,474.99 : x - Step 2: Convert to fraction form
279,927,592.63/419,875,694.44 = 85,838,474.99/x - Step 3: Cross multiply
279,927,592.63x = 419,875,694.44 × 85,838,474.99 - Step 4: Simplify right side
279,927,592.63x = 36,041,489,293,782,848 - Step 5: Solve for x
x = 36,041,489,293,782,848/279,927,592.63 - Step 6: Final answer
x = 128,752,899.83
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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.