Finding the Fourth Proportional to 1,939,368,573.70, 2,909,052,899.16 and 465,508,382.74
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Solution
The fourth proportional to 1,939,368,573.70, 2,909,052,899.16 and 465,508,382.74 is: 698,262,583.38
Step by Step Solution
- Step 1: Write the proportion equation
1,939,368,573.70 : 2,909,052,899.16 = 465,508,382.74 : x - Step 2: Convert to fraction form
1,939,368,573.70/2,909,052,899.16 = 465,508,382.74/x - Step 3: Cross multiply
1,939,368,573.70x = 2,909,052,899.16 × 465,508,382.74 - Step 4: Simplify right side
1,939,368,573.70x = 1,354,188,510,393,079,808 - Step 5: Solve for x
x = 1,354,188,510,393,079,808/1,939,368,573.70 - Step 6: Final answer
x = 698,262,583.38
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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.