Finding the Fourth Proportional to 1,967,874,875.08, 2,715,699,591.32 and 1,174,990,141.06
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Solution
The fourth proportional to 1,967,874,875.08, 2,715,699,591.32 and 1,174,990,141.06 is: 1,621,505,658.87
Step by Step Solution
- Step 1: Write the proportion equation
1,967,874,875.08 : 2,715,699,591.32 = 1,174,990,141.06 : x - Step 2: Convert to fraction form
1,967,874,875.08/2,715,699,591.32 = 1,174,990,141.06/x - Step 3: Cross multiply
1,967,874,875.08x = 2,715,699,591.32 × 1,174,990,141.06 - Step 4: Simplify right side
1,967,874,875.08x = 3,190,920,245,881,671,168 - Step 5: Solve for x
x = 3,190,920,245,881,671,168/1,967,874,875.08 - Step 6: Final answer
x = 1,621,505,658.87
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.