Finding the Fourth Proportional to 1,955,624,586.56, 2,933,394,267.36 and 919,911,386.24
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Solution
The fourth proportional to 1,955,624,586.56, 2,933,394,267.36 and 919,911,386.24 is: 1,379,847,034.76
Step by Step Solution
- Step 1: Write the proportion equation
1,955,624,586.56 : 2,933,394,267.36 = 919,911,386.24 : x - Step 2: Convert to fraction form
1,955,624,586.56/2,933,394,267.36 = 919,911,386.24/x - Step 3: Cross multiply
1,955,624,586.56x = 2,933,394,267.36 × 919,911,386.24 - Step 4: Simplify right side
1,955,624,586.56x = 2,698,462,786,875,607,040 - Step 5: Solve for x
x = 2,698,462,786,875,607,040/1,955,624,586.56 - Step 6: Final answer
x = 1,379,847,034.76
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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.