Finding the Fourth Proportional to 1,624,101,335.10, 2,241,201,852.81 and 919,238,182.92
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Solution
The fourth proportional to 1,624,101,335.10, 2,241,201,852.81 and 919,238,182.92 is: 1,268,515,870.41
Step by Step Solution
- Step 1: Write the proportion equation
1,624,101,335.10 : 2,241,201,852.81 = 919,238,182.92 : x - Step 2: Convert to fraction form
1,624,101,335.10/2,241,201,852.81 = 919,238,182.92/x - Step 3: Cross multiply
1,624,101,335.10x = 2,241,201,852.81 × 919,238,182.92 - Step 4: Simplify right side
1,624,101,335.10x = 2,060,198,318,734,001,664 - Step 5: Solve for x
x = 2,060,198,318,734,001,664/1,624,101,335.10 - Step 6: Final answer
x = 1,268,515,870.41
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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.