Finding the Fourth Proportional to 5,620,736,103.60, 8,425,057,537.80 and 2,125,791,130.80
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Solution
The fourth proportional to 5,620,736,103.60, 8,425,057,537.80 and 2,125,791,130.80 is: 3,186,399,834.51
Step by Step Solution
- Step 1: Write the proportion equation
5,620,736,103.60 : 8,425,057,537.80 = 2,125,791,130.80 : x - Step 2: Convert to fraction form
5,620,736,103.60/8,425,057,537.80 = 2,125,791,130.80/x - Step 3: Cross multiply
5,620,736,103.60x = 8,425,057,537.80 × 2,125,791,130.80 - Step 4: Simplify right side
5,620,736,103.60x = 17,909,912,590,334,924,800 - Step 5: Solve for x
x = 17,909,912,590,334,924,800/5,620,736,103.60 - Step 6: Final answer
x = 3,186,399,834.51
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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.