Finding the Fourth Proportional to 1,588,029,847.61, 2,381,539,400.35 and 524,254,626.99
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Solution
The fourth proportional to 1,588,029,847.61, 2,381,539,400.35 and 524,254,626.99 is: 786,215,102.86
Step by Step Solution
- Step 1: Write the proportion equation
1,588,029,847.61 : 2,381,539,400.35 = 524,254,626.99 : x - Step 2: Convert to fraction form
1,588,029,847.61/2,381,539,400.35 = 524,254,626.99/x - Step 3: Cross multiply
1,588,029,847.61x = 2,381,539,400.35 × 524,254,626.99 - Step 4: Simplify right side
1,588,029,847.61x = 1,248,533,049,977,948,416 - Step 5: Solve for x
x = 1,248,533,049,977,948,416/1,588,029,847.61 - Step 6: Final answer
x = 786,215,102.86
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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.