Finding the Fourth Proportional to 4,598,856,744.80, 6,898,285,117.20 and 2,657,892,495.20
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Solution
The fourth proportional to 4,598,856,744.80, 6,898,285,117.20 and 2,657,892,495.20 is: 3,986,838,742.80
Step by Step Solution
- Step 1: Write the proportion equation
4,598,856,744.80 : 6,898,285,117.20 = 2,657,892,495.20 : x - Step 2: Convert to fraction form
4,598,856,744.80/6,898,285,117.20 = 2,657,892,495.20/x - Step 3: Cross multiply
4,598,856,744.80x = 6,898,285,117.20 × 2,657,892,495.20 - Step 4: Simplify right side
4,598,856,744.80x = 18,334,900,242,755,731,456 - Step 5: Solve for x
x = 18,334,900,242,755,731,456/4,598,856,744.80 - Step 6: Final answer
x = 3,986,838,742.80
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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.