Finding the Fourth Proportional to 1,794,628,548.84, 2,689,678,418.58 and 909,536,293.56
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Solution
The fourth proportional to 1,794,628,548.84, 2,689,678,418.58 and 909,536,293.56 is: 1,363,156,816.65
Step by Step Solution
- Step 1: Write the proportion equation
1,794,628,548.84 : 2,689,678,418.58 = 909,536,293.56 : x - Step 2: Convert to fraction form
1,794,628,548.84/2,689,678,418.58 = 909,536,293.56/x - Step 3: Cross multiply
1,794,628,548.84x = 2,689,678,418.58 × 909,536,293.56 - Step 4: Simplify right side
1,794,628,548.84x = 2,446,360,139,703,575,040 - Step 5: Solve for x
x = 2,446,360,139,703,575,040/1,794,628,548.84 - Step 6: Final answer
x = 1,363,156,816.65
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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.