Finding the Fourth Proportional to 7,255,066,459.84, 10,877,540,006.95 and 3,214,599,388.09
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Solution
The fourth proportional to 7,255,066,459.84, 10,877,540,006.95 and 3,214,599,388.09 is: 4,819,657,220.76
Step by Step Solution
- Step 1: Write the proportion equation
7,255,066,459.84 : 10,877,540,006.95 = 3,214,599,388.09 : x - Step 2: Convert to fraction form
7,255,066,459.84/10,877,540,006.95 = 3,214,599,388.09/x - Step 3: Cross multiply
7,255,066,459.84x = 10,877,540,006.95 × 3,214,599,388.09 - Step 4: Simplify right side
7,255,066,459.84x = 34,966,933,450,232,340,480 - Step 5: Solve for x
x = 34,966,933,450,232,340,480/7,255,066,459.84 - Step 6: Final answer
x = 4,819,657,220.76
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1.5x scale
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.