Finding the Fourth Proportional to 968,896,996.11, 1,451,219,340.35 and 800,997,601.88
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Solution
The fourth proportional to 968,896,996.11, 1,451,219,340.35 and 800,997,601.88 is: 1,199,738,688.52
Step by Step Solution
- Step 1: Write the proportion equation
968,896,996.11 : 1,451,219,340.35 = 800,997,601.88 : x - Step 2: Convert to fraction form
968,896,996.11/1,451,219,340.35 = 800,997,601.88/x - Step 3: Cross multiply
968,896,996.11x = 1,451,219,340.35 × 800,997,601.88 - Step 4: Simplify right side
968,896,996.11x = 1,162,423,211,427,856,128 - Step 5: Solve for x
x = 1,162,423,211,427,856,128/968,896,996.11 - Step 6: Final answer
x = 1,199,738,688.52
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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.