Finding the Fourth Proportional to 16,207,827,489.72, 22,367,500,963.74 and 8,973,874,908.75
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Solution
The fourth proportional to 16,207,827,489.72, 22,367,500,963.74 and 8,973,874,908.75 is: 12,384,334,408.62
Step by Step Solution
- Step 1: Write the proportion equation
16,207,827,489.72 : 22,367,500,963.74 = 8,973,874,908.75 : x - Step 2: Convert to fraction form
16,207,827,489.72/22,367,500,963.74 = 8,973,874,908.75/x - Step 3: Cross multiply
16,207,827,489.72x = 22,367,500,963.74 × 8,973,874,908.75 - Step 4: Simplify right side
16,207,827,489.72x = 200,723,155,669,947,842,560 - Step 5: Solve for x
x = 200,723,155,669,947,842,560/16,207,827,489.72 - Step 6: Final answer
x = 12,384,334,408.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.