Finding the Fourth Proportional to 2,682,697,207.06, 4,024,645,979.43 and 817,488,881.70
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Solution
The fourth proportional to 2,682,697,207.06, 4,024,645,979.43 and 817,488,881.70 is: 1,226,416,209.90
Step by Step Solution
- Step 1: Write the proportion equation
2,682,697,207.06 : 4,024,645,979.43 = 817,488,881.70 : x - Step 2: Convert to fraction form
2,682,697,207.06/4,024,645,979.43 = 817,488,881.70/x - Step 3: Cross multiply
2,682,697,207.06x = 4,024,645,979.43 × 817,488,881.70 - Step 4: Simplify right side
2,682,697,207.06x = 3,290,103,340,977,788,416 - Step 5: Solve for x
x = 3,290,103,340,977,788,416/2,682,697,207.06 - Step 6: Final answer
x = 1,226,416,209.90
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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.