Finding the Fourth Proportional to 517,824,135.20, 776,736,202.80 and 470,048,391.20
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Solution
The fourth proportional to 517,824,135.20, 776,736,202.80 and 470,048,391.20 is: 705,072,586.80
Step by Step Solution
- Step 1: Write the proportion equation
517,824,135.20 : 776,736,202.80 = 470,048,391.20 : x - Step 2: Convert to fraction form
517,824,135.20/776,736,202.80 = 470,048,391.20/x - Step 3: Cross multiply
517,824,135.20x = 776,736,202.80 × 470,048,391.20 - Step 4: Simplify right side
517,824,135.20x = 365,103,602,512,936,896 - Step 5: Solve for x
x = 365,103,602,512,936,896/517,824,135.20 - Step 6: Final answer
x = 705,072,586.80
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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.