Finding the Fourth Proportional to 2,989,592,164.05, 4,484,371,933.80 and 1,218,955,935.93
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Solution
The fourth proportional to 2,989,592,164.05, 4,484,371,933.80 and 1,218,955,935.93 is: 1,828,427,252.84
Step by Step Solution
- Step 1: Write the proportion equation
2,989,592,164.05 : 4,484,371,933.80 = 1,218,955,935.93 : x - Step 2: Convert to fraction form
2,989,592,164.05/4,484,371,933.80 = 1,218,955,935.93/x - Step 3: Cross multiply
2,989,592,164.05x = 4,484,371,933.80 × 1,218,955,935.93 - Step 4: Simplify right side
2,989,592,164.05x = 5,466,251,787,623,403,520 - Step 5: Solve for x
x = 5,466,251,787,623,403,520/2,989,592,164.05 - Step 6: Final answer
x = 1,828,427,252.84
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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.