Finding the Fourth Proportional to 7,297,607,362.74, 10,945,305,026.35 and 1,986,133,421.17
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Solution
The fourth proportional to 7,297,607,362.74, 10,945,305,026.35 and 1,986,133,421.17 is: 2,978,899,115.45
Step by Step Solution
- Step 1: Write the proportion equation
7,297,607,362.74 : 10,945,305,026.35 = 1,986,133,421.17 : x - Step 2: Convert to fraction form
7,297,607,362.74/10,945,305,026.35 = 1,986,133,421.17/x - Step 3: Cross multiply
7,297,607,362.74x = 10,945,305,026.35 × 1,986,133,421.17 - Step 4: Simplify right side
7,297,607,362.74x = 21,738,836,117,733,724,160 - Step 5: Solve for x
x = 21,738,836,117,733,724,160/7,297,607,362.74 - Step 6: Final answer
x = 2,978,899,115.45
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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.