Finding the Fourth Proportional to 748,063,163.70, 1,123,228,486.35 and 575,734,562.10
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Solution
The fourth proportional to 748,063,163.70, 1,123,228,486.35 and 575,734,562.10 is: 864,474,408.19
Step by Step Solution
- Step 1: Write the proportion equation
748,063,163.70 : 1,123,228,486.35 = 575,734,562.10 : x - Step 2: Convert to fraction form
748,063,163.70/1,123,228,486.35 = 575,734,562.10/x - Step 3: Cross multiply
748,063,163.70x = 1,123,228,486.35 × 575,734,562.10 - Step 4: Simplify right side
748,063,163.70x = 646,681,460,726,963,072 - Step 5: Solve for x
x = 646,681,460,726,963,072/748,063,163.70 - Step 6: Final answer
x = 864,474,408.19
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1.5x scale
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.