Finding the Fourth Proportional to 1,758,867,276.20, 2,640,904,319.10 and 984,060,415.40
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Solution
The fourth proportional to 1,758,867,276.20, 2,640,904,319.10 and 984,060,415.40 is: 1,477,547,189.86
Step by Step Solution
- Step 1: Write the proportion equation
1,758,867,276.20 : 2,640,904,319.10 = 984,060,415.40 : x - Step 2: Convert to fraction form
1,758,867,276.20/2,640,904,319.10 = 984,060,415.40/x - Step 3: Cross multiply
1,758,867,276.20x = 2,640,904,319.10 × 984,060,415.40 - Step 4: Simplify right side
1,758,867,276.20x = 2,598,809,401,285,199,872 - Step 5: Solve for x
x = 2,598,809,401,285,199,872/1,758,867,276.20 - Step 6: Final answer
x = 1,477,547,189.86
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.