Finding the Fourth Proportional to 885,899,250.10, 1,328,722,903.95 and 303,660,363.70
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Solution
The fourth proportional to 885,899,250.10, 1,328,722,903.95 and 303,660,363.70 is: 455,447,366.31
Step by Step Solution
- Step 1: Write the proportion equation
885,899,250.10 : 1,328,722,903.95 = 303,660,363.70 : x - Step 2: Convert to fraction form
885,899,250.10/1,328,722,903.95 = 303,660,363.70/x - Step 3: Cross multiply
885,899,250.10x = 1,328,722,903.95 × 303,660,363.70 - Step 4: Simplify right side
885,899,250.10x = 403,480,480,269,977,152 - Step 5: Solve for x
x = 403,480,480,269,977,152/885,899,250.10 - Step 6: Final answer
x = 455,447,366.31
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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.