Finding the Fourth Proportional to 454,037,749.67, 626,572,090.86 and 245,193,873.87
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Solution
The fourth proportional to 454,037,749.67, 626,572,090.86 and 245,193,873.87 is: 338,367,543.95
Step by Step Solution
- Step 1: Write the proportion equation
454,037,749.67 : 626,572,090.86 = 245,193,873.87 : x - Step 2: Convert to fraction form
454,037,749.67/626,572,090.86 = 245,193,873.87/x - Step 3: Cross multiply
454,037,749.67x = 626,572,090.86 × 245,193,873.87 - Step 4: Simplify right side
454,037,749.67x = 153,631,638,215,563,072 - Step 5: Solve for x
x = 153,631,638,215,563,072/454,037,749.67 - Step 6: Final answer
x = 338,367,543.95
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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.