Finding the Fourth Proportional to 1,712,218,291,335.40, 2,568,269,268,985 and 438,815,590,153.92
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Solution
The fourth proportional to 1,712,218,291,335.40, 2,568,269,268,985 and 438,815,590,153.92 is: 658,208,477,649.69
Step by Step Solution
- Step 1: Write the proportion equation
1,712,218,291,335.40 : 2,568,269,268,985 = 438,815,590,153.92 : x - Step 2: Convert to fraction form
1,712,218,291,335.40/2,568,269,268,985 = 438,815,590,153.92/x - Step 3: Cross multiply
1,712,218,291,335.40x = 2,568,269,268,985 × 438,815,590,153.92 - Step 4: Simplify right side
1,712,218,291,335.40x = 1,126,996,594,943,829,374,664,704 - Step 5: Solve for x
x = 1,126,996,594,943,829,374,664,704/1,712,218,291,335.40 - Step 6: Final answer
x = 658,208,477,649.69
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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.