Finding the Fourth Proportional to 4,881,727,465.98, 6,738,217,630.02 and 3,188,440,973.40
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Solution
The fourth proportional to 4,881,727,465.98, 6,738,217,630.02 and 3,188,440,973.40 is: 4,400,984,964.64
Step by Step Solution
- Step 1: Write the proportion equation
4,881,727,465.98 : 6,738,217,630.02 = 3,188,440,973.40 : x - Step 2: Convert to fraction form
4,881,727,465.98/6,738,217,630.02 = 3,188,440,973.40/x - Step 3: Cross multiply
4,881,727,465.98x = 6,738,217,630.02 × 3,188,440,973.40 - Step 4: Simplify right side
4,881,727,465.98x = 21,484,409,179,242,012,672 - Step 5: Solve for x
x = 21,484,409,179,242,012,672/4,881,727,465.98 - Step 6: Final answer
x = 4,400,984,964.64
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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.