Finding the Fourth Proportional to 490,412,686.05, 735,202,387.53 and 228,249,477.63
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Solution
The fourth proportional to 490,412,686.05, 735,202,387.53 and 228,249,477.63 is: 342,180,301.77
Step by Step Solution
- Step 1: Write the proportion equation
490,412,686.05 : 735,202,387.53 = 228,249,477.63 : x - Step 2: Convert to fraction form
490,412,686.05/735,202,387.53 = 228,249,477.63/x - Step 3: Cross multiply
490,412,686.05x = 735,202,387.53 × 228,249,477.63 - Step 4: Simplify right side
490,412,686.05x = 167,809,560,906,051,328 - Step 5: Solve for x
x = 167,809,560,906,051,328/490,412,686.05 - Step 6: Final answer
x = 342,180,301.77
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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.