Finding the Fourth Proportional to 3,073,935,644.05, 4,611,184,855.52 and 863,130,459.79
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Solution
The fourth proportional to 3,073,935,644.05, 4,611,184,855.52 and 863,130,459.79 is: 1,294,774,701.03
Step by Step Solution
- Step 1: Write the proportion equation
3,073,935,644.05 : 4,611,184,855.52 = 863,130,459.79 : x - Step 2: Convert to fraction form
3,073,935,644.05/4,611,184,855.52 = 863,130,459.79/x - Step 3: Cross multiply
3,073,935,644.05x = 4,611,184,855.52 × 863,130,459.79 - Step 4: Simplify right side
3,073,935,644.05x = 3,980,054,104,521,662,464 - Step 5: Solve for x
x = 3,980,054,104,521,662,464/3,073,935,644.05 - Step 6: Final answer
x = 1,294,774,701.03
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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.