Finding the Fourth Proportional to 488,756,312.99, 674,506,770.95 and 277,067,246.48
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Solution
The fourth proportional to 488,756,312.99, 674,506,770.95 and 277,067,246.48 is: 382,365,871.89
Step by Step Solution
- Step 1: Write the proportion equation
488,756,312.99 : 674,506,770.95 = 277,067,246.48 : x - Step 2: Convert to fraction form
488,756,312.99/674,506,770.95 = 277,067,246.48/x - Step 3: Cross multiply
488,756,312.99x = 674,506,770.95 × 277,067,246.48 - Step 4: Simplify right side
488,756,312.99x = 186,883,733,759,232,576 - Step 5: Solve for x
x = 186,883,733,759,232,576/488,756,312.99 - Step 6: Final answer
x = 382,365,871.89
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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.