Finding the Fourth Proportional to 7,274,621,206.96, 10,911,886,021.68 and 3,914,774,824.32
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Solution
The fourth proportional to 7,274,621,206.96, 10,911,886,021.68 and 3,914,774,824.32 is: 5,872,137,595.65
Step by Step Solution
- Step 1: Write the proportion equation
7,274,621,206.96 : 10,911,886,021.68 = 3,914,774,824.32 : x - Step 2: Convert to fraction form
7,274,621,206.96/10,911,886,021.68 = 3,914,774,824.32/x - Step 3: Cross multiply
7,274,621,206.96x = 10,911,886,021.68 × 3,914,774,824.32 - Step 4: Simplify right side
7,274,621,206.96x = 42,717,576,683,522,187,264 - Step 5: Solve for x
x = 42,717,576,683,522,187,264/7,274,621,206.96 - Step 6: Final answer
x = 5,872,137,595.65
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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.