Finding the Fourth Proportional to 5,309,497,424.70, 7,973,316,063.45 and 3,477,372,291.90
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Solution
The fourth proportional to 5,309,497,424.70, 7,973,316,063.45 and 3,477,372,291.90 is: 5,221,998,644.28
Step by Step Solution
- Step 1: Write the proportion equation
5,309,497,424.70 : 7,973,316,063.45 = 3,477,372,291.90 : x - Step 2: Convert to fraction form
5,309,497,424.70/7,973,316,063.45 = 3,477,372,291.90/x - Step 3: Cross multiply
5,309,497,424.70x = 7,973,316,063.45 × 3,477,372,291.90 - Step 4: Simplify right side
5,309,497,424.70x = 27,726,188,353,602,211,840 - Step 5: Solve for x
x = 27,726,188,353,602,211,840/5,309,497,424.70 - Step 6: Final answer
x = 5,221,998,644.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.