Finding the Fourth Proportional to 1,718,939,479.44, 2,578,406,000.73 and 538,610,318.76
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Solution
The fourth proportional to 1,718,939,479.44, 2,578,406,000.73 and 538,610,318.76 is: 807,914,469.68
Step by Step Solution
- Step 1: Write the proportion equation
1,718,939,479.44 : 2,578,406,000.73 = 538,610,318.76 : x - Step 2: Convert to fraction form
1,718,939,479.44/2,578,406,000.73 = 538,610,318.76/x - Step 3: Cross multiply
1,718,939,479.44x = 2,578,406,000.73 × 538,610,318.76 - Step 4: Simplify right side
1,718,939,479.44x = 1,388,756,077,945,882,112 - Step 5: Solve for x
x = 1,388,756,077,945,882,112/1,718,939,479.44 - Step 6: Final answer
x = 807,914,469.68
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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.