Finding the Fourth Proportional to 1,835,609,646.20, 2,753,411,028.18 and 575,170,260.46
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Solution
The fourth proportional to 1,835,609,646.20, 2,753,411,028.18 and 575,170,260.46 is: 862,754,312.45
Step by Step Solution
- Step 1: Write the proportion equation
1,835,609,646.20 : 2,753,411,028.18 = 575,170,260.46 : x - Step 2: Convert to fraction form
1,835,609,646.20/2,753,411,028.18 = 575,170,260.46/x - Step 3: Cross multiply
1,835,609,646.20x = 2,753,411,028.18 × 575,170,260.46 - Step 4: Simplify right side
1,835,609,646.20x = 1,583,680,138,231,727,104 - Step 5: Solve for x
x = 1,583,680,138,231,727,104/1,835,609,646.20 - Step 6: Final answer
x = 862,754,312.45
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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.