Finding the Fourth Proportional to 466,969,161.15, 644,418,741.18 and 255,278,549.75
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Solution
The fourth proportional to 466,969,161.15, 644,418,741.18 and 255,278,549.75 is: 352,285,108.66
Step by Step Solution
- Step 1: Write the proportion equation
466,969,161.15 : 644,418,741.18 = 255,278,549.75 : x - Step 2: Convert to fraction form
466,969,161.15/644,418,741.18 = 255,278,549.75/x - Step 3: Cross multiply
466,969,161.15x = 644,418,741.18 × 255,278,549.75 - Step 4: Simplify right side
466,969,161.15x = 164,506,281,676,928,896 - Step 5: Solve for x
x = 164,506,281,676,928,896/466,969,161.15 - Step 6: Final answer
x = 352,285,108.66
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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.