Finding the Fourth Proportional to 3,176,191,943.60, 4,764,289,643.40 and 995,328,762.80
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Solution
The fourth proportional to 3,176,191,943.60, 4,764,289,643.40 and 995,328,762.80 is: 1,492,993,685.71
Step by Step Solution
- Step 1: Write the proportion equation
3,176,191,943.60 : 4,764,289,643.40 = 995,328,762.80 : x - Step 2: Convert to fraction form
3,176,191,943.60/4,764,289,643.40 = 995,328,762.80/x - Step 3: Cross multiply
3,176,191,943.60x = 4,764,289,643.40 × 995,328,762.80 - Step 4: Simplify right side
3,176,191,943.60x = 4,742,034,516,386,174,976 - Step 5: Solve for x
x = 4,742,034,516,386,174,976/3,176,191,943.60 - Step 6: Final answer
x = 1,492,993,685.71
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1.5x scale
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.