Finding the Fourth Proportional to 2,688,782,202.92, 3,710,783,955.86 and 1,631,427,189.32
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Solution
The fourth proportional to 2,688,782,202.92, 3,710,783,955.86 and 1,631,427,189.32 is: 2,251,530,017.09
Step by Step Solution
- Step 1: Write the proportion equation
2,688,782,202.92 : 3,710,783,955.86 = 1,631,427,189.32 : x - Step 2: Convert to fraction form
2,688,782,202.92/3,710,783,955.86 = 1,631,427,189.32/x - Step 3: Cross multiply
2,688,782,202.92x = 3,710,783,955.86 × 1,631,427,189.32 - Step 4: Simplify right side
2,688,782,202.92x = 6,053,873,839,282,430,976 - Step 5: Solve for x
x = 6,053,873,839,282,430,976/2,688,782,202.92 - Step 6: Final answer
x = 2,251,530,017.09
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1.5x scale
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.