Finding the Fourth Proportional to 1,387,998,087.32, 2,081,920,495.40 and 1,014,888,321.02
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Solution
The fourth proportional to 1,387,998,087.32, 2,081,920,495.40 and 1,014,888,321.02 is: 1,522,276,446.47
Step by Step Solution
- Step 1: Write the proportion equation
1,387,998,087.32 : 2,081,920,495.40 = 1,014,888,321.02 : x - Step 2: Convert to fraction form
1,387,998,087.32/2,081,920,495.40 = 1,014,888,321.02/x - Step 3: Cross multiply
1,387,998,087.32x = 2,081,920,495.40 × 1,014,888,321.02 - Step 4: Simplify right side
1,387,998,087.32x = 2,112,916,796,073,632,768 - Step 5: Solve for x
x = 2,112,916,796,073,632,768/1,387,998,087.32 - Step 6: Final answer
x = 1,522,276,446.47
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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.