Finding the Fourth Proportional to 3,073,935,643.05, 4,611,184,854.02 and 863,130,458.79
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Solution
The fourth proportional to 3,073,935,643.05, 4,611,184,854.02 and 863,130,458.79 is: 1,294,774,699.53
Step by Step Solution
- Step 1: Write the proportion equation
3,073,935,643.05 : 4,611,184,854.02 = 863,130,458.79 : x - Step 2: Convert to fraction form
3,073,935,643.05/4,611,184,854.02 = 863,130,458.79/x - Step 3: Cross multiply
3,073,935,643.05x = 4,611,184,854.02 × 863,130,458.79 - Step 4: Simplify right side
3,073,935,643.05x = 3,980,054,098,615,781,888 - Step 5: Solve for x
x = 3,980,054,098,615,781,888/3,073,935,643.05 - Step 6: Final answer
x = 1,294,774,699.53
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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.