Finding the Fourth Proportional to 13,106,246,605.79, 19,673,360,080.66 and 5,648,509,809.41
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Solution
The fourth proportional to 13,106,246,605.79, 19,673,360,080.66 and 5,648,509,809.41 is: 8,478,794,176.70
Step by Step Solution
- Step 1: Write the proportion equation
13,106,246,605.79 : 19,673,360,080.66 = 5,648,509,809.41 : x - Step 2: Convert to fraction form
13,106,246,605.79/19,673,360,080.66 = 5,648,509,809.41/x - Step 3: Cross multiply
13,106,246,605.79x = 19,673,360,080.66 × 5,648,509,809.41 - Step 4: Simplify right side
13,106,246,605.79x = 111,125,167,399,576,043,520 - Step 5: Solve for x
x = 111,125,167,399,576,043,520/13,106,246,605.79 - Step 6: Final answer
x = 8,478,794,176.70
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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.