Finding the Fourth Proportional to 448,756,410.79, 673,347,794.01 and 310,794,327.19
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Solution
The fourth proportional to 448,756,410.79, 673,347,794.01 and 310,794,327.19 is: 466,339,130.92
Step by Step Solution
- Step 1: Write the proportion equation
448,756,410.79 : 673,347,794.01 = 310,794,327.19 : x - Step 2: Convert to fraction form
448,756,410.79/673,347,794.01 = 310,794,327.19/x - Step 3: Cross multiply
448,756,410.79x = 673,347,794.01 × 310,794,327.19 - Step 4: Simplify right side
448,756,410.79x = 209,272,674,604,208,672 - Step 5: Solve for x
x = 209,272,674,604,208,672/448,756,410.79 - Step 6: Final answer
x = 466,339,130.92
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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.