Finding the Fourth Proportional to 1,855,462,228.40, 2,785,210,107.24 and 750,827,511.92
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Solution
The fourth proportional to 1,855,462,228.40, 2,785,210,107.24 and 750,827,511.92 is: 1,127,057,367.69
Step by Step Solution
- Step 1: Write the proportion equation
1,855,462,228.40 : 2,785,210,107.24 = 750,827,511.92 : x - Step 2: Convert to fraction form
1,855,462,228.40/2,785,210,107.24 = 750,827,511.92/x - Step 3: Cross multiply
1,855,462,228.40x = 2,785,210,107.24 × 750,827,511.92 - Step 4: Simplify right side
1,855,462,228.40x = 2,091,212,374,993,445,376 - Step 5: Solve for x
x = 2,091,212,374,993,445,376/1,855,462,228.40 - Step 6: Final answer
x = 1,127,057,367.69
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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.