Finding the Fourth Proportional to 2,848,166,162.80, 4,272,249,244.20 and 1,918,356,989.20
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Solution
The fourth proportional to 2,848,166,162.80, 4,272,249,244.20 and 1,918,356,989.20 is: 2,877,535,483.80
Step by Step Solution
- Step 1: Write the proportion equation
2,848,166,162.80 : 4,272,249,244.20 = 1,918,356,989.20 : x - Step 2: Convert to fraction form
2,848,166,162.80/4,272,249,244.20 = 1,918,356,989.20/x - Step 3: Cross multiply
2,848,166,162.80x = 4,272,249,244.20 × 1,918,356,989.20 - Step 4: Simplify right side
2,848,166,162.80x = 8,195,699,197,215,486,976 - Step 5: Solve for x
x = 8,195,699,197,215,486,976/2,848,166,162.80 - Step 6: Final answer
x = 2,877,535,483.80
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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.