Finding the Fourth Proportional to 1,363,088,865.99, 1,881,062,555.28 and 736,557,276.09
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Solution
The fourth proportional to 1,363,088,865.99, 1,881,062,555.28 and 736,557,276.09 is: 1,016,448,997.89
Step by Step Solution
- Step 1: Write the proportion equation
1,363,088,865.99 : 1,881,062,555.28 = 736,557,276.09 : x - Step 2: Convert to fraction form
1,363,088,865.99/1,881,062,555.28 = 736,557,276.09/x - Step 3: Cross multiply
1,363,088,865.99x = 1,881,062,555.28 × 736,557,276.09 - Step 4: Simplify right side
1,363,088,865.99x = 1,385,510,311,871,931,904 - Step 5: Solve for x
x = 1,385,510,311,871,931,904/1,363,088,865.99 - Step 6: Final answer
x = 1,016,448,997.89
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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.