Finding the Fourth Proportional to 4,217,843,920.80, 6,326,765,881.20 and 3,534,198,218.40
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Solution
The fourth proportional to 4,217,843,920.80, 6,326,765,881.20 and 3,534,198,218.40 is: 5,301,297,327.60
Step by Step Solution
- Step 1: Write the proportion equation
4,217,843,920.80 : 6,326,765,881.20 = 3,534,198,218.40 : x - Step 2: Convert to fraction form
4,217,843,920.80/6,326,765,881.20 = 3,534,198,218.40/x - Step 3: Cross multiply
4,217,843,920.80x = 6,326,765,881.20 × 3,534,198,218.40 - Step 4: Simplify right side
4,217,843,920.80x = 22,360,044,705,570,947,072 - Step 5: Solve for x
x = 22,360,044,705,570,947,072/4,217,843,920.80 - Step 6: Final answer
x = 5,301,297,327.60
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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.