Finding the Fourth Proportional to 2,781,528,193.80, 4,172,292,290.70 and 2,781,528,193.80
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Solution
The fourth proportional to 2,781,528,193.80, 4,172,292,290.70 and 2,781,528,193.80 is: 4,172,292,290.70
Step by Step Solution
- Step 1: Write the proportion equation
2,781,528,193.80 : 4,172,292,290.70 = 2,781,528,193.80 : x - Step 2: Convert to fraction form
2,781,528,193.80/4,172,292,290.70 = 2,781,528,193.80/x - Step 3: Cross multiply
2,781,528,193.80x = 4,172,292,290.70 × 2,781,528,193.80 - Step 4: Simplify right side
2,781,528,193.80x = 11,605,348,639,356,436,480 - Step 5: Solve for x
x = 11,605,348,639,356,436,480/2,781,528,193.80 - Step 6: Final answer
x = 4,172,292,290.70
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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.