Finding the Fourth Proportional to 562,149,821,389.68, 775,766,753,518.08 and 321,561,697,720.68
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Solution
The fourth proportional to 562,149,821,389.68, 775,766,753,518.08 and 321,561,697,720.68 is: 443,755,142,854.72
Step by Step Solution
- Step 1: Write the proportion equation
562,149,821,389.68 : 775,766,753,518.08 = 321,561,697,720.68 : x - Step 2: Convert to fraction form
562,149,821,389.68/775,766,753,518.08 = 321,561,697,720.68/x - Step 3: Cross multiply
562,149,821,389.68x = 775,766,753,518.08 × 321,561,697,720.68 - Step 4: Simplify right side
562,149,821,389.68x = 249,456,874,296,534,080,946,176 - Step 5: Solve for x
x = 249,456,874,296,534,080,946,176/562,149,821,389.68 - Step 6: Final answer
x = 443,755,142,854.72
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.