Finding the Fourth Proportional to 851,475,201.70, 1,277,212,802.55 and 366,801,009.70
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Solution
The fourth proportional to 851,475,201.70, 1,277,212,802.55 and 366,801,009.70 is: 550,201,514.55
Step by Step Solution
- Step 1: Write the proportion equation
851,475,201.70 : 1,277,212,802.55 = 366,801,009.70 : x - Step 2: Convert to fraction form
851,475,201.70/1,277,212,802.55 = 366,801,009.70/x - Step 3: Cross multiply
851,475,201.70x = 1,277,212,802.55 × 366,801,009.70 - Step 4: Simplify right side
851,475,201.70x = 468,482,945,577,106,688 - Step 5: Solve for x
x = 468,482,945,577,106,688/851,475,201.70 - Step 6: Final answer
x = 550,201,514.55
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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.