Finding the Fourth Proportional to 497,506,701.28, 686,561,633.04 and 274,488,370.96
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Solution
The fourth proportional to 497,506,701.28, 686,561,633.04 and 274,488,370.96 is: 378,795,267.95
Step by Step Solution
- Step 1: Write the proportion equation
497,506,701.28 : 686,561,633.04 = 274,488,370.96 : x - Step 2: Convert to fraction form
497,506,701.28/686,561,633.04 = 274,488,370.96/x - Step 3: Cross multiply
497,506,701.28x = 686,561,633.04 × 274,488,370.96 - Step 4: Simplify right side
497,506,701.28x = 188,453,184,216,786,880 - Step 5: Solve for x
x = 188,453,184,216,786,880/497,506,701.28 - Step 6: Final answer
x = 378,795,267.95
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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.