Finding the Fourth Proportional to 1,340,462,918.76, 1,849,855,852.05 and 737,702,941.14
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Solution
The fourth proportional to 1,340,462,918.76, 1,849,855,852.05 and 737,702,941.14 is: 1,018,039,427.76
Step by Step Solution
- Step 1: Write the proportion equation
1,340,462,918.76 : 1,849,855,852.05 = 737,702,941.14 : x - Step 2: Convert to fraction form
1,340,462,918.76/1,849,855,852.05 = 737,702,941.14/x - Step 3: Cross multiply
1,340,462,918.76x = 1,849,855,852.05 × 737,702,941.14 - Step 4: Simplify right side
1,340,462,918.76x = 1,364,644,102,742,325,760 - Step 5: Solve for x
x = 1,364,644,102,742,325,760/1,340,462,918.76 - Step 6: Final answer
x = 1,018,039,427.76
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Double scale
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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.