Finding the Fourth Proportional to 885,736,576.70, 1,328,604,865.05 and 880,634,743.10
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Solution
The fourth proportional to 885,736,576.70, 1,328,604,865.05 and 880,634,743.10 is: 1,320,952,114.65
Step by Step Solution
- Step 1: Write the proportion equation
885,736,576.70 : 1,328,604,865.05 = 880,634,743.10 : x - Step 2: Convert to fraction form
885,736,576.70/1,328,604,865.05 = 880,634,743.10/x - Step 3: Cross multiply
885,736,576.70x = 1,328,604,865.05 × 880,634,743.10 - Step 4: Simplify right side
885,736,576.70x = 1,170,015,604,014,716,928 - Step 5: Solve for x
x = 1,170,015,604,014,716,928/885,736,576.70 - Step 6: Final answer
x = 1,320,952,114.65
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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.