Finding the Fourth Proportional to 889,761,631.20, 1,334,642,446.80 and 598,768,159.20
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Solution
The fourth proportional to 889,761,631.20, 1,334,642,446.80 and 598,768,159.20 is: 898,152,238.80
Step by Step Solution
- Step 1: Write the proportion equation
889,761,631.20 : 1,334,642,446.80 = 598,768,159.20 : x - Step 2: Convert to fraction form
889,761,631.20/1,334,642,446.80 = 598,768,159.20/x - Step 3: Cross multiply
889,761,631.20x = 1,334,642,446.80 × 598,768,159.20 - Step 4: Simplify right side
889,761,631.20x = 799,141,401,060,619,904 - Step 5: Solve for x
x = 799,141,401,060,619,904/889,761,631.20 - Step 6: Final answer
x = 898,152,238.80
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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.