Finding the Fourth Proportional to 9,122,274,848.68, 13,688,588,580.70 and 4,925,171,772.52
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Solution
The fourth proportional to 9,122,274,848.68, 13,688,588,580.70 and 4,925,171,772.52 is: 7,390,552,378.84
Step by Step Solution
- Step 1: Write the proportion equation
9,122,274,848.68 : 13,688,588,580.70 = 4,925,171,772.52 : x - Step 2: Convert to fraction form
9,122,274,848.68/13,688,588,580.70 = 4,925,171,772.52/x - Step 3: Cross multiply
9,122,274,848.68x = 13,688,588,580.70 × 4,925,171,772.52 - Step 4: Simplify right side
9,122,274,848.68x = 67,418,650,083,303,260,160 - Step 5: Solve for x
x = 67,418,650,083,303,260,160/9,122,274,848.68 - Step 6: Final answer
x = 7,390,552,378.84
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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.