Finding the Fourth Proportional to 472,403,744.10, 708,605,616.15 and 149,287,616.10
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Solution
The fourth proportional to 472,403,744.10, 708,605,616.15 and 149,287,616.10 is: 223,931,424.15
Step by Step Solution
- Step 1: Write the proportion equation
472,403,744.10 : 708,605,616.15 = 149,287,616.10 : x - Step 2: Convert to fraction form
472,403,744.10/708,605,616.15 = 149,287,616.10/x - Step 3: Cross multiply
472,403,744.10x = 708,605,616.15 × 149,287,616.10 - Step 4: Simplify right side
472,403,744.10x = 105,786,043,190,105,152 - Step 5: Solve for x
x = 105,786,043,190,105,152/472,403,744.10 - Step 6: Final answer
x = 223,931,424.15
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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.