Finding the Fourth Proportional to 559,312,128,220.80, 838,968,192,331.20 and 559,312,128,220.80
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Solution
The fourth proportional to 559,312,128,220.80, 838,968,192,331.20 and 559,312,128,220.80 is: 838,968,192,331.20
Step by Step Solution
- Step 1: Write the proportion equation
559,312,128,220.80 : 838,968,192,331.20 = 559,312,128,220.80 : x - Step 2: Convert to fraction form
559,312,128,220.80/838,968,192,331.20 = 559,312,128,220.80/x - Step 3: Cross multiply
559,312,128,220.80x = 838,968,192,331.20 × 559,312,128,220.80 - Step 4: Simplify right side
559,312,128,220.80x = 469,245,085,162,320,911,400,960 - Step 5: Solve for x
x = 469,245,085,162,320,911,400,960/559,312,128,220.80 - Step 6: Final answer
x = 838,968,192,331.20
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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.