Finding the Fourth Proportional to 528,223,023.40, 792,476,252.70 and 471,110,830.60
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Solution
The fourth proportional to 528,223,023.40, 792,476,252.70 and 471,110,830.60 is: 706,792,640.80
Step by Step Solution
- Step 1: Write the proportion equation
528,223,023.40 : 792,476,252.70 = 471,110,830.60 : x - Step 2: Convert to fraction form
528,223,023.40/792,476,252.70 = 471,110,830.60/x - Step 3: Cross multiply
528,223,023.40x = 792,476,252.70 × 471,110,830.60 - Step 4: Simplify right side
528,223,023.40x = 373,344,145,640,272,512 - Step 5: Solve for x
x = 373,344,145,640,272,512/528,223,023.40 - Step 6: Final answer
x = 706,792,640.80
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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.