Finding the Fourth Proportional to 1,770,183,051.08, 2,442,856,228.20 and 977,230,120.92
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Solution
The fourth proportional to 1,770,183,051.08, 2,442,856,228.20 and 977,230,120.92 is: 1,348,579,564.03
Step by Step Solution
- Step 1: Write the proportion equation
1,770,183,051.08 : 2,442,856,228.20 = 977,230,120.92 : x - Step 2: Convert to fraction form
1,770,183,051.08/2,442,856,228.20 = 977,230,120.92/x - Step 3: Cross multiply
1,770,183,051.08x = 2,442,856,228.20 × 977,230,120.92 - Step 4: Simplify right side
1,770,183,051.08x = 2,387,232,687,274,060,800 - Step 5: Solve for x
x = 2,387,232,687,274,060,800/1,770,183,051.08 - Step 6: Final answer
x = 1,348,579,564.03
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1.5x scale
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.