Finding the Fourth Proportional to 2,858,762,231.92, 3,945,210,486 and 1,588,598,472.76
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Solution
The fourth proportional to 2,858,762,231.92, 3,945,210,486 and 1,588,598,472.76 is: 2,192,331,801.08
Step by Step Solution
- Step 1: Write the proportion equation
2,858,762,231.92 : 3,945,210,486 = 1,588,598,472.76 : x - Step 2: Convert to fraction form
2,858,762,231.92/3,945,210,486 = 1,588,598,472.76/x - Step 3: Cross multiply
2,858,762,231.92x = 3,945,210,486 × 1,588,598,472.76 - Step 4: Simplify right side
2,858,762,231.92x = 6,267,355,352,776,337,408 - Step 5: Solve for x
x = 6,267,355,352,776,337,408/2,858,762,231.92 - Step 6: Final answer
x = 2,192,331,801.08
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.