Finding the Fourth Proportional to 2,989,592,154.93, 4,484,371,920.10 and 1,218,955,926.81
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Solution
The fourth proportional to 2,989,592,154.93, 4,484,371,920.10 and 1,218,955,926.81 is: 1,828,427,239.15
Step by Step Solution
- Step 1: Write the proportion equation
2,989,592,154.93 : 4,484,371,920.10 = 1,218,955,926.81 : x - Step 2: Convert to fraction form
2,989,592,154.93/4,484,371,920.10 = 1,218,955,926.81/x - Step 3: Cross multiply
2,989,592,154.93x = 4,484,371,920.10 × 1,218,955,926.81 - Step 4: Simplify right side
2,989,592,154.93x = 5,466,251,730,026,234,880 - Step 5: Solve for x
x = 5,466,251,730,026,234,880/2,989,592,154.93 - Step 6: Final answer
x = 1,828,427,239.15
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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.