Finding the Fourth Proportional to 8,311,938,207.21, 11,470,332,963.95 and 4,501,430,277.24
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Solution
The fourth proportional to 8,311,938,207.21, 11,470,332,963.95 and 4,501,430,277.24 is: 6,211,897,009.67
Step by Step Solution
- Step 1: Write the proportion equation
8,311,938,207.21 : 11,470,332,963.95 = 4,501,430,277.24 : x - Step 2: Convert to fraction form
8,311,938,207.21/11,470,332,963.95 = 4,501,430,277.24/x - Step 3: Cross multiply
8,311,938,207.21x = 11,470,332,963.95 × 4,501,430,277.24 - Step 4: Simplify right side
8,311,938,207.21x = 51,632,904,093,948,559,360 - Step 5: Solve for x
x = 51,632,904,093,948,559,360/8,311,938,207.21 - Step 6: Final answer
x = 6,211,897,009.67
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.