Finding the Fourth Proportional to 1,763,927,746.68, 2,645,891,619.12 and 658,618,922.34
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Solution
The fourth proportional to 1,763,927,746.68, 2,645,891,619.12 and 658,618,922.34 is: 987,928,383.17
Step by Step Solution
- Step 1: Write the proportion equation
1,763,927,746.68 : 2,645,891,619.12 = 658,618,922.34 : x - Step 2: Convert to fraction form
1,763,927,746.68/2,645,891,619.12 = 658,618,922.34/x - Step 3: Cross multiply
1,763,927,746.68x = 2,645,891,619.12 × 658,618,922.34 - Step 4: Simplify right side
1,763,927,746.68x = 1,742,634,286,813,252,096 - Step 5: Solve for x
x = 1,742,634,286,813,252,096/1,763,927,746.68 - Step 6: Final answer
x = 987,928,383.17
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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.