Finding the Fourth Proportional to 7,787,132,824.37, 10,746,103,217.64 and 4,399,969,390.70
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Solution
The fourth proportional to 7,787,132,824.37, 10,746,103,217.64 and 4,399,969,390.70 is: 6,071,878,609.66
Step by Step Solution
- Step 1: Write the proportion equation
7,787,132,824.37 : 10,746,103,217.64 = 4,399,969,390.70 : x - Step 2: Convert to fraction form
7,787,132,824.37/10,746,103,217.64 = 4,399,969,390.70/x - Step 3: Cross multiply
7,787,132,824.37x = 10,746,103,217.64 × 4,399,969,390.70 - Step 4: Simplify right side
7,787,132,824.37x = 47,282,525,226,865,041,408 - Step 5: Solve for x
x = 47,282,525,226,865,041,408/7,787,132,824.37 - Step 6: Final answer
x = 6,071,878,609.66
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1.5x scale
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.