Finding the Fourth Proportional to 4,709,620,908.70, 7,064,431,363.05 and 1,438,064,863.90
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Solution
The fourth proportional to 4,709,620,908.70, 7,064,431,363.05 and 1,438,064,863.90 is: 2,157,097,295.85
Step by Step Solution
- Step 1: Write the proportion equation
4,709,620,908.70 : 7,064,431,363.05 = 1,438,064,863.90 : x - Step 2: Convert to fraction form
4,709,620,908.70/7,064,431,363.05 = 1,438,064,863.90/x - Step 3: Cross multiply
4,709,620,908.70x = 7,064,431,363.05 × 1,438,064,863.90 - Step 4: Simplify right side
4,709,620,908.70x = 10,159,110,526,635,390,976 - Step 5: Solve for x
x = 10,159,110,526,635,390,976/4,709,620,908.70 - Step 6: Final answer
x = 2,157,097,295.85
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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.