Finding the Fourth Proportional to 688,449,630, 950,060,508.84 and 379,400,286
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Solution
The fourth proportional to 688,449,630, 950,060,508.84 and 379,400,286 is: 523,572,405.39
Step by Step Solution
- Step 1: Write the proportion equation
688,449,630 : 950,060,508.84 = 379,400,286 : x - Step 2: Convert to fraction form
688,449,630/950,060,508.84 = 379,400,286/x - Step 3: Cross multiply
688,449,630x = 950,060,508.84 × 379,400,286 - Step 4: Simplify right side
688,449,630x = 360,453,228,771,201,536 - Step 5: Solve for x
x = 360,453,228,771,201,536/688,449,630 - Step 6: Final answer
x = 523,572,405.39
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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.