Finding the Fourth Proportional to 1,596,354,898.53, 2,202,650,257.63 and 891,398,412.03
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Solution
The fourth proportional to 1,596,354,898.53, 2,202,650,257.63 and 891,398,412.03 is: 1,229,951,399.73
Step by Step Solution
- Step 1: Write the proportion equation
1,596,354,898.53 : 2,202,650,257.63 = 891,398,412.03 : x - Step 2: Convert to fraction form
1,596,354,898.53/2,202,650,257.63 = 891,398,412.03/x - Step 3: Cross multiply
1,596,354,898.53x = 2,202,650,257.63 × 891,398,412.03 - Step 4: Simplify right side
1,596,354,898.53x = 1,963,438,941,908,852,480 - Step 5: Solve for x
x = 1,963,438,941,908,852,480/1,596,354,898.53 - Step 6: Final answer
x = 1,229,951,399.73
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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.