Finding the Fourth Proportional to 5,636,107,452.51, 7,777,615,201.63 and 3,130,142,589.50
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Solution
The fourth proportional to 5,636,107,452.51, 7,777,615,201.63 and 3,130,142,589.50 is: 4,319,478,433.02
Step by Step Solution
- Step 1: Write the proportion equation
5,636,107,452.51 : 7,777,615,201.63 = 3,130,142,589.50 : x - Step 2: Convert to fraction form
5,636,107,452.51/7,777,615,201.63 = 3,130,142,589.50/x - Step 3: Cross multiply
5,636,107,452.51x = 7,777,615,201.63 × 3,130,142,589.50 - Step 4: Simplify right side
5,636,107,452.51x = 24,345,044,587,317,977,088 - Step 5: Solve for x
x = 24,345,044,587,317,977,088/5,636,107,452.51 - Step 6: Final answer
x = 4,319,478,433.02
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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.