Finding the Fourth Proportional to 1,048,765,623.75, 1,573,224,018.44 and 402,533,367.75
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Solution
The fourth proportional to 1,048,765,623.75, 1,573,224,018.44 and 402,533,367.75 is: 603,829,061.54
Step by Step Solution
- Step 1: Write the proportion equation
1,048,765,623.75 : 1,573,224,018.44 = 402,533,367.75 : x - Step 2: Convert to fraction form
1,048,765,623.75/1,573,224,018.44 = 402,533,367.75/x - Step 3: Cross multiply
1,048,765,623.75x = 1,573,224,018.44 × 402,533,367.75 - Step 4: Simplify right side
1,048,765,623.75x = 633,275,162,365,828,608 - Step 5: Solve for x
x = 633,275,162,365,828,608/1,048,765,623.75 - Step 6: Final answer
x = 603,829,061.54
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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.