Finding the Fourth Proportional to 958,734,552.23, 1,438,516,124 and 515,559,245.55
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Solution
The fourth proportional to 958,734,552.23, 1,438,516,124 and 515,559,245.55 is: 773,561,655.70
Step by Step Solution
- Step 1: Write the proportion equation
958,734,552.23 : 1,438,516,124 = 515,559,245.55 : x - Step 2: Convert to fraction form
958,734,552.23/1,438,516,124 = 515,559,245.55/x - Step 3: Cross multiply
958,734,552.23x = 1,438,516,124 × 515,559,245.55 - Step 4: Simplify right side
958,734,552.23x = 741,640,287,600,950,272 - Step 5: Solve for x
x = 741,640,287,600,950,272/958,734,552.23 - Step 6: Final answer
x = 773,561,655.70
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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.