Finding the Fourth Proportional to 1,340,462,971.14, 1,849,855,923.99 and 737,702,993.58
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Solution
The fourth proportional to 1,340,462,971.14, 1,849,855,923.99 and 737,702,993.58 is: 1,018,039,499.93
Step by Step Solution
- Step 1: Write the proportion equation
1,340,462,971.14 : 1,849,855,923.99 = 737,702,993.58 : x - Step 2: Convert to fraction form
1,340,462,971.14/1,849,855,923.99 = 737,702,993.58/x - Step 3: Cross multiply
1,340,462,971.14x = 1,849,855,923.99 × 737,702,993.58 - Step 4: Simplify right side
1,340,462,971.14x = 1,364,644,252,819,120,128 - Step 5: Solve for x
x = 1,364,644,252,819,120,128/1,340,462,971.14 - Step 6: Final answer
x = 1,018,039,499.93
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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.